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  • China Nanjing PEGE Cryogenic deflashing machine was spoken highly of by customer who has an old cryogenic deburring machine before
    Apr 23, 2025
    China Nanjing PEGE Cryogenic deflashing machine was spoken highly of by customer who has an old cryogenic deburring machine before After half a year's stable and long time running of our Cryogenic Deflashing Machine in customer's factory. Customer speaks highly of our CRYOGENIC DEBURRING machine quality and performance with following points:1. Higher efficiency and higher productivity, 30% higer than old rubber deflashing machine.2. Less failures due to reasonable design and better production technology.3. Great Media blasting and flash separation system to ensure large blasting power as well excellent flash and media separation ability.4. Stable and wonderful electrical control system with Mistubishi, Schneider top brand components.5. Improvements on details like door handle, gear box sealing, door sealing, media chamber holder and so on reduce a lot of maintenance and down-time. Thanks very much for esteemed client's high appreciation, Nanjing PEGE surely works hard and provides best production and service.
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  • China PEGE Cryogenic Deflashing and Cryogenic Deburring Machine Comparative Advantages
    Apr 14, 2025
    The main features of China PEGE cryogenic deflashing and cryogenic deburring machine   1. The whole frame of the cryogenic deflashing equipment is made of high quality 304 stainless steel, the thickness of the steel pipe is 3mm, which is strong, durable and upscale. 2. The projectile wheel can be made of stainless steel, strong and durable. 3. The width of the projectile wheel is increased to 70mm for 120T and 150T, the projectile wheel range is wider, and the projectile efficiency is increased by 20%. 4. Using MCGS high-end touch screen, can store more than 20,000 pieces of product information, storage, reading, downloading, editing, host control and upgrading the scanner and other functions. Improve the tracking and traceability of product processing, adapt to the modern enterprise intelligent, digital management requirements. 5. The Blasting wheel motor of cryogenic deburring machine is selected from the reliable brand FUKUTA, and can also be equipped with Mitsubishi imported motors. 6. The deflector is made of stainless steel, which is free of replacement for life. Our deflashing equipment has no impeller rotor, which can reduce the maintenance cost. 7. The sealing plate of the ejector wheel is made of ultra-high polymer UPE material, the thickness is increased by 1 times, and the wear-resisting performance is increased by 100%. 8. T120,T150 models use 7.5KW high power motor, with 600mm width vibrating screen, processing efficiency and sorting efficiency significantly improved. 9. The gear box sealing system is excellent, in addition to the labyrinth design, our company also adds a layer of sealing plate to protect the oil seal. 10. Bevel gears do not use straight tooth structure, using helical tooth structure, high degree of overlap, large contact area, less wear and tear, increase the service life of bevel gears. 11. The door sealing strip is made of imported material and equipped with double heating wire, which has good heating effect and long service life, and there will be no door leakage. 12. Inverted trapezoidal compact design, nozzle built-in, reduce the overall chamber volume, reduce liquid nitrogen consumption. 13. The parts basket/barrel mouth can be closer to the ejection wheel, the injection effect is enhanced, and the processing efficiency is effectively improved. 14. The nitrogen deflashing machine's electrical cabinet and chamber are separated and independent, the electrical cabinet will not be affected by the cold air and dust from the chamber, which improves the cleanliness and the use of electrical appliances.  15. The bottom and back of the door opening method adopts a simple and lightweight door suction device, and eliminates the latch locking door, so that there is no need to purchase a replacement life for the latch afterward.  16. The front door of the nitrogen rubber deflashing equipment is fitted with three high-quality hinges at the top, middle and bottom of the door frame and the reinforcing bars are increased, so that it can avoid deformation of the door after a long time of use effectively.  After long time use, it can effectively avoid the deformation of the front door. Back, bottom, electrical cabinet door plate thickness is high, heavy and not deformed.
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  • Can loss in weight feeder or loss in weight feeding machine feed maleic anhydride, what specific conditions?
    Mar 14, 2025
      Can loss in weight feeder or loss in weight feeding machine feed maleic anhydride, what specific conditions?   A loss-in-weight feeder (loss-in-weight feeding machine) can be used for feeding maleic anhydride, but the following specific conditions need to be met:   Characteristics and Challenges of Maleic Anhydride 1. **Physical State and Temperature Requirements**    - Maleic anhydride is a solid at room temperature (with a melting point of approximately 52-54°C) and needs to be heated to a liquid state (usually 60-80°C) for stable conveying.    - A **heating and heat preservation system** (such as an electrically traced pipeline or a jacket heating system) should be equipped to prevent solidification and blockage. 2. **Strong Corrosiveness**    - Maleic anhydride has strong corrosiveness to metals (especially ordinary stainless steel), so **corrosion-resistant materials** need to be selected:      - Materials for parts in contact with the material: **PTFE (polytetrafluoroethylene) lining, Hastelloy C276**.      - Sealing elements: **fluororubber (FKM) or perfluoroelastomer (FFKM)**. 3. **Safety Protection**    - Liquid maleic anhydride is prone to volatilizing irritating gases, so a **fully enclosed design** is required, and an **exhaust gas treatment system** (such as condensation recovery or activated carbon adsorption) should be configured.    - The equipment needs to meet the **explosion-proof certification** (such as ATEX) to avoid risks caused by high temperature or static electricity.    Equipment Selection and Modification Suggestions 1. **Configuration of Suitable Machine Types**    - **Heating type loss-in-weight feeder**: The hopper and conveying pipeline are integrated with an electric heating/circulating heat medium jacket to maintain the temperature above 60°C.    - **Corrosion-resistant structure**: Sensors, valves, and pumps in contact with the material need to be made of PTFE or Hastelloy materials.    - **Anti-crystallization design**: Screw pumps or vibration-assisted discharging are used to avoid local cooling and crystallization of the melt. 2. **Optimization of Operating Parameters**    - **Temperature control accuracy**: Within ±2°C to avoid excessive thermal decomposition (maleic anhydride may generate maleic anhydride gas at high temperatures).    - **Feeding accuracy**: It is recommended to select a **high-resolution weighing sensor** (≤0.1% F.S.) to ensure the accuracy of minor addition. 3. **Supporting Systems**    - **Nitrogen protection**: Fill the hopper with nitrogen to isolate oxygen and prevent oxidation side reactions.    - **Emergency cooling**: Start the cooling program in case of abnormal shutdown to prevent the residual material from carbonizing.    Precautions - **Direct contact with water is prohibited**: Maleic anhydride hydrolyzes violently when it comes into contact with water, so strict moisture prevention is required (blow dry air inside the equipment). - **Maintenance and cleaning**: Thoroughly remove the residual material after shutdown to avoid solid blockage (the pipeline can be purged with hot nitrogen). - **Safe operation**: Personnel need to wear gas masks and acid-resistant gloves, and emergency flushing facilities should be provided on-site.   **Summary** Maleic anhydride can achieve precise feeding through a **customized loss-in-weight feeder**. The key lies in: - **Corrosion-resistant materials + precise temperature control + fully enclosed explosion-proof design**. See our loss in weight feeding machine for MAH feeding.   It is recommended to communicate in detail with the equipment supplier about the process parameters (temperature, flow rate, environmental requirements, etc.) and conduct small-scale tests to verify the stability of the system. Nanjing PEGE can surely provide reliable liquid loss in weight feeder to feed Maleic Anhydride for clients all over the world.    
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  • What Kinds of powder or granule materials can use loss-in-weight feeder for feeding?
    Mar 18, 2025
    What Kinds of powder or granule materials can use loss-in-weight feeder for feeding?   The loss-in-weight feeder can be used for feeding a variety of powder materials and granular materials. The following are some common examples: Powder materials that can be fed by the loss-in-weight feeder 1. **Cement**: In the construction industry, cement is often in powder form and is precisely measured by a loss-in-weight feeder before being used in the production of concrete and other materials. 2. **Flour**: In the food processing industry, as an important raw material for making bread, pastries, etc., flour is often fed by a loss-in-weight feeder to ensure the accuracy of the ingredients. 3. **Milk powder**: In dairy production or related food processing, milk powder can have its addition amount accurately controlled through a loss-in-weight feeder. 4. **Lime powder**: In the chemical and construction industries, when lime powder is used in various reactions or as an additive, it can be fed by a loss-in-weight feeder. 5. **Coal powder**: In industries such as thermal power generation, coal powder needs to be precisely measured and then fed into equipment such as boilers, and the loss-in-weight feeder can meet this requirement. 6. **Talc powder**: Talc powder, which is widely used in industries such as plastics, coatings, and cosmetics, is often fed by a loss-in-weight feeder during the production process. 7. **Bentonite powder**: In industries such as foundry and drilling, bentonite powder requires precise feeding, and the loss-in-weight feeder is one of the commonly used equipment. 8. **Pigment powder**: In the production of coatings, inks, etc., pigment powder can have its color ratio precisely controlled through feeding by a loss-in-weight feeder.   ### Granular materials that can be fed by the loss-in-weight feeder 1. **Grain granules**: Such as corn, wheat, etc. In industries such as feed processing and grain processing, they are often precisely fed by a loss-in-weight feeder to control the formulation ratio of the products. 2. **Plastic granules**: In the plastics processing industry, for various plastic granules such as polyethylene and polypropylene, feeding by a loss-in-weight feeder can ensure the accurate supply of raw materials in processes such as extrusion and injection molding. 3. **Compound fertilizer granules**: In the manufacturing of agricultural production materials, compound fertilizer granules need to be proportioned and packaged according to a certain ratio, and the loss-in-weight feeder can achieve precise feeding. 4. **Salt granules**: In industries such as food processing and chemicals, the addition amount of salt granules needs to be precisely controlled, and the loss-in-weight feeder can be used in the feeding process. 5. **Sugar granules**: In industries such as confectionery manufacturing and beverage production, sugar granules can have the sweetness of the products accurately controlled through feeding by a loss-in-weight feeder. 6. **Activated carbon granules**: In the environmental protection, chemical and other industries, when activated carbon granules are used in processes such as adsorption, they can be precisely fed by a loss-in-weight feeder. 7. **Biomass granules**: In industries such as biomass energy production, during the combustion or further processing of biomass granules, the loss-in-weight feeder can be used for precise feeding. 8. **Pharmaceutical granules**: In the pharmaceutical industry, before processes such as tableting and filling of pharmaceutical granules, they are often precisely fed by a loss-in-weight feeder.
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  • Nanjing PEGE loss in weight Feeder is good and reliable feeding tool for precision dosing and composing.
    Mar 14, 2025
    Nanjing PEGE loss in weight feeder is good and reliable feeding tool for precision dosing and composing.   Understanding PEGE Loss-in-Weight Feeders: Precision in Material Handling In industries where precision and consistency in material feeding are critical, loss-in-weight feeders play a pivotal role. Among the leading technologies in this space, PEGE loss-in-weight feeders have emerged as a reliable solution, ensuring accurate feeding, reduced material waste, and seamless integration into manufacturing processes. Let’s explore the functionality, benefits, and applications of PEGE loss-in-weight feeders. What Is a Loss-in-Weight Feeder? A loss-in-weight feeder is a material handling device designed to deliver precise amounts of material over time. The system measures the weight of the material in the hopper and adjusts the feed rate to ensure accuracy. As the material is dispensed, the system compensates for the decreasing weight, maintaining consistent flow rates. The "PEGE" in PEGE loss-in-weight feeders signifies a brand or specialized design focusing on robust performance and tailored solutions for specific industrial needs.
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  • How Do PEGE Loss-in-Weight Feeders Work?
    Mar 14, 2025
    How Do PEGE Loss-in-Weight Feeders Work? PEGE feeders operate on a straightforward yet effective principle: Material Storage: Material is stored in a hopper mounted on load cells. These cells continuously measure the weight of the hopper. Dispensing Mechanism: Using a screw feeder, belt, or vibratory system, the material is discharged at a controlled rate. Weight Monitoring: As the material is dispensed, the system detects the reduction in weight and adjusts the feed rate to match the desired output. Feedback Control: A closed-loop control system ensures that the feed rate remains constant, even as the properties of the material change over time. This precise monitoring and adjustment minimize errors, making PEGE feeders ideal for processes requiring high levels of accuracy.
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  • Benifits of PEGE loss in weight feeder
    Mar 14, 2025
    Benefits of PEGE Loss-in-weight Feeder   Typical Nanjing PEGE  loss–in-weight feeders are used to negate the use of weigh hoppers and to eliminate the impact of material. This system is particularly useful when the product to be weighed is sticky and does not have good flow properties. A. Improve measurement accuracyB. Reduce premixing workloadC. Improve product stabilityD. Reduce dust pollution and be more environmentally friendly. E. Improve work and production efficiency.
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  • Cryogenic Deflashing Machine can deburr the PPS material plastic components in an efficient way
    Jan 09, 2025
    Cryogenic Deflashing Machine can deburr the PPS material plastic components in an efficient way   NANJING PEGE TECHNO cryogenic deflashing machine PG-40T system can do the deburring process,not only for rubber parts, but plasitc parts.PPS+GF40 material is easilly to have burrs during injection molding, cryogenic deburring is a good way for you to solve this headache problem. First of all we need to make an analysis of the components: Flash condition: PPS+GF Easily to have burrs during the injection process. The flashes are many, but they are thin and small which are good for cryogenic deburring Part shape and structure: Round, no fragile angel, not too big, very suitable for cryogenic deflashing Estimation: Burrs can be efficiently deburred in our PG-40T Temperature    -40°C Time  4mins Wheel speed  6000rpm Media Size 0.75mm Barrel Speed 8rpm Qty for one batch 70pcs This are the parameters for samples testing, more parts can be deflashed in one time.   4. Result: Result is good.  No burrs left, feel smooth.   After testing and internal inspection, the cryogenic deburring system is approved that it is suitable for PPS+GF plastic parts deburring process. NANJING PEGE always provide good machine and technology for you to improve efficiency and precision.
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  • The Main Compositions of A Cryogenic Deflashing System
    Jul 24, 2024
    The Main Compositions of A Cryogenic Deflashing System A cryogenic deflashing machine, also known as a cryogenic deflashing system, is used for removing unwanted burrs, flash, or excess material from molded or machined components. The composition of a cryogenic deflashing system generally includes the following components: 1. Deflashing Chamber: This is the main working chamber where the components to be deflashed are placed. It is usually a sealed, insulated enclosure designed to withstand low temperatures. 2. Liquid Nitrogen (LN2) Supply(nitrogen deflashing machine): Cryogenic deflashing relies on liquid nitrogen as the cryogenic medium. The LN2 supply provides the necessary cooling agent required for the process. 3. LN2 Delivery System: This system is responsible for delivering liquid nitrogen to the deflashing chamber. It typically consists of supply lines, valves, and control mechanisms to regulate the flow of LN2. 4. Control Panel: The control panel houses the electrical and electronic components that control and monitor the cryogenic deflashing process. It includes temperature controllers, timers, pressure gauges, and safety features. 5. Media Circulation Mechanism: Some cryogenic deflashing machines incorporate an auto media circulation system to realize the media blasting function and then enhance the deflashing process. This can be in the form of tumbling barrels, rotating baskets, or oscillating fixtures. 6. Exhaust System: As cryogenic  deflashing process generates gases and vapors, an exhaust system is employed to remove these by-products from the deflashing chamber. It helps maintain a safe working environment and prevents the accumulation of hazardous substances. 7. Filtration System: To remove any debris or particulate matter generated during the deflashing process, a filtration system may be included. It helps ensure the cleanliness of the liquid nitrogen and prolong the equipment's lifespan. 8. Safety Features: Cryogenic deburring machines often have safety features such as emergency stop buttons, alarms, and interlocks to ensure operator safety during operation.   It's important to note that specific configurations and features of cryogenic deflashing systems may vary depending on the manufacturer and the intended application. Get more details from www.pegedeflashing.com.   
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  • The main components of an aluminum foil airline food container making machine
    Jul 20, 2024
    An aluminum foil container making machine is a specialized machine used for the production of aluminum foil food containers specifically designed for use in airlines and other similar food service industries. The aluminum foil plate/ tray making machine is capable of producing a high volume of uniform and standardized food containers in a fast and efficient manner. The main components of an aluminum foil airline food container making machine typically include: Feeding System: This system is responsible for feeding the aluminum foil material into the machine for further processing. It may consist of a roll of aluminum foil and a tension control system to ensure smooth and continuous feeding. Material Cutting System: The machine is equipped with a cutting system to accurately cut the aluminum foil into the desired shape and size for the food containers. Various cutting mechanisms such as rotary cutting or stamping may be used depending on the specific design of the machine. Molding System: This system shapes and molds the cut aluminum foil into the final form of the food container. It may utilize a combination of mechanical presses and molds to create the necessary folds and shapes required for the container. Punching System: A punching system is employed to create perforations or ventilation holes in the formed aluminum foil containers, allowing steam and heat to circulate during the food heating process. Stacking and Collection System: The machine typically includes a stacking and collection system to neatly stack and collect the finished aluminum foil containers, ready for packaging and transportation. Control System: The aluminum foil plate/ tray making machine is controlled by an automated control system that enables operators to set parameters such as container size, cutting length, perforation patterns, and production speed. It ensures proper synchronization and coordination of the various machine components for efficient operation. The main features of an aluminum foil airline food container making machine include high production efficiency, precise cutting and shaping capabilities, adjustable container sizes, automatic operation with minimal manual intervention, and reliable performance. These machines are designed to meet the specific requirements of the airline food service industry, producing containers that are lightweight, durable, and suitable for sealing and reheating food during flight operations.
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  • Nanjing Pege’s “PG” brand Gravimetric Loss-in-weight feeder
    Jul 11, 2024
    Nanjing Pege’s “PEIKE” brand Gravimetric Loss-in-weight feeder   Introduction Nanjing Pege Techno Machine Co., Ltd is specialized in designing and producing the low in weight feeders including single and twin screws loss in weight feeder, liquid gravimetric feeder, micro scale feeder, vibratory feeder, Paddle massaged flexible PUR hopper feeder and multi-ingredients compounding feeder. Our products are successfully applied in various dosing and blending(mixing) field, like chemistry, engineering plastics, cable, food processing, pharmaceutical and building material industries. Our head company is constantly dedicated to providing the solutions of weighing, feeding, transmission, packing and automatic stacking, to provide the professional products and service for the customer worldwide both in solid and liquid product manufacturing field. To strengthen our competence and leading position in the gravimetric weighing field, we integrated our profound technology and talents to better improve our design and manufacturing competence.   PRODUCTS Twin screw loss-in-weight feeder  Application material Resin Granules, Resin Powder, Calcium carbonate, French Chalk, Tio2, Carbon Black   Features 1. Cantilever type weighing frame ensure lower gravity(barycenter) center, weaker vibration and anti-interference performance of the whole feeder. 2. Vertical U-shaped hopper with mirror-like inner wall and without corner enclosure can ensure no bridge of the materials 3. Stainless Steel bellow sensor has the feature of only slight deformation after long time use, and high precision with less signal drift, and is durable for bad environment use 4. 485 Digital transmission of weighing data has the feature of no attenuation and anti-interference during the period of data transmission. 5. Feeding and stirring is operated separately, using independent agitation motor and stirring speed can be adjusted according to the demand. 6. No agitation motor on the top of the hopper will surely reduce the vibration during the operation, then this design will achieve high stability and high accuracy. Vibrating Tray Loss-in-weight Feeder   Application material Flack, Glass Fiber, Cylindrical Material, Irregular Shape Material from Recovery   Features 1. Cantilever type weighing frame ensure lower gravity(barycenter) center, weaker vibration and anti-interference performance of the whole feeder. 2. Double weighing sensors weight platform ensure good balance degree and no unbalanced loading 3. 485 Digital transmission of weighing data has the feature of no attenuation and anti-interference during the period of data transmission 4. Vibration type feeding has no damage on the material itself. 5. Electrical magnetic vibration type feeding ensures tiny machine wear and tear and nearly none of maintenance parts are needed   Applications Material Liquid Additive DCP Silane Maleic Anhydride   Features 1.       Cantilever type weighing frame ensure lower gravity(barycenter) center, weaker vibration and anti-interference performance of the whole feeder. 2.       Stainless Steel bellow sensor has the feature of only slight deformation after long time use, and high precision with less signal drift, and is durable for bad environment use. 3.       485 Digital transmission of weighing data has the feature of no attenuation and anti- interference during the period of data transmission. 4.      Hydraulic Diaphragm Pump, Plunger Pump, Gear Pump are selectable. 5.       Equipped with complete isolated SUS304 bellow spring damping type spray gun, has the feature of keeping pressure stable within 48 hours. 6.      Explosion proof, heat preservation by water or electricity are selectable   Flexible Paddle-Massaged PUR Hopper Feeder   Application material Resin Particles, Resin powder, Calcium Carbonate, Talcum powder, Titanium White Powder Carbon Black, Flame Retardant Antioxidant   Features ■Suitable for all-purpose bulk material, especially for the powder material with humidity and low flowability. ■The cantilever sling-type weighing scale supports the storage hopper, which has the characteristics of vibration reduction and anti-level interference. This design can effectively shield the non-weight value interference from the vibrator and measure the flow of the system more accurately. ■No bridging thanks to straight walled hopper. ■Gentle feed capability by paddling flexible hopper with external agitation. ■Easy to disassemble and to clean, convenient for maintenance. ■No direct touch between stirring unit and material ensures no damage on the materials. ■Improve material flowability, optimize dynamic loadings of the screws, to ensure stable and accurate flow rate. ■Arch breaker inside of the machine can ensure efficient weighing feeding even the humidity rate in the materials reaches to 20%   CONTROL SYSTEM FEATURES   1.  Self-learning: The equipment can automatically identify the bulk density and fluidity of the material during the pre-operation, self-tuning during operation and continuously optimizing the best P (proportion) and I (integral) values to ensure rapid response of the system operation 2. Anti-interference: Automatically identify the intensity and duration of the interference and adopt emergency backup procedures to deal with it urgently to ensure the stability and accuracy of the system. 3.       The software is independently developed. After the product leaves the factory, the original program will be burned on the Micro SD card and given to customers randomly. Hardware adjustment. 4.      The mainstream communication formats in the market can be customized according to customer needs, such as Modbus, PPI, MPI, Profibus, Ethernet and other communication formats, so that customers can access the factory's main control system. 5.       The weighing signal transmitter is a customized product with a resolution of one hundred thousandth. The transmitter is installed on the weighing frame and is about one meter away from the weighing sensor. The signal transmission uses RS485 twisted shielded wire and digital transmission. Eliminate signal attenuation and interference 6.      The controller uses Siemens SMART series PLC, each scale uses a CPU, and each scale (each CPU) is connected in parallel by Ethernet. 7.       The RS485 serial port of the Siemens controller communicates with the weighing transmitter, installs an RS485 serial port to communicate with the inverter or servo controller, and the built-in Ethernet port communicates with the touch screen or host computer through the switch. Digital communication throughout the network, high speed, efficiency and stability 8.      The system can display and record operating parameters and can be installed with industrial control computer systems such as domestic Kingview, Siemens Wincc. At the same time, a scanning gun can be installed for barcode parameter reading, process flow recording, and quality traceability.   FAQs on Peike loss-in-weight feeders 1.     What kinds of materials can be used for loss in weight feeding? Resin granules, flack, flocculus, powder and pellets blendings Resin Particles, Resin Powder, Calcium Carbonate, Glass fibers Talcum Powder, Titanium White Powder Carbon Black, Flame Retardant Antioxidant Flack, Glass Fiber, Cylindrical Material, Irregular Shape Material from Recovery Liquid Additive, DCP Silane, Maleic Anhydride   2.    What kinds of feeders are included in the loss in weight feeder series? Our feeding product range includes micro loss in weight feeder, single screw feeder, twin screw feeder, vibratory tray feeder, Paddle massaged Polyurethane Hoppe feeder and liquid loss in weight feeder.
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  • PPS PET and PA parts Cryogenic deburring/ Deflashing Machine
    Jul 16, 2024
      PPS PET and PA parts nitrogen deburring machine   Cryogenic deflashing and deburring system is a process that employs cryogenic temperatures to remove flash on manufactured workpieces made of a wide range of plastics (and other materials) both thermoset and thermoplastic. Some examples of materials used include nylon, HD-PE, PPS, PET, polycarbonate, polypropylene, polyurethane, liquid crystal polymer, PA+GF, PC+GF, PEEK, and Acetal. Manufactured parts that have been successfully deburred include those made through injection molding, compression molding and extrusion molding.    What is “Flash.” “Flash” is a raised edge attached to the workpiece. It is an unwanted piece of material and requires removal. Many medical devices and other precision components are included in deflashing applications. Deburring accounts for a significant amount of the costs of manufacturing. The cryogenic deflashing process causes the flash or burr to become stiff or brittle and break away leaving a clean edge. There are three types of burrs that can be formed in manufacturing operations and can be classified by the physical manner of formation: Poisson burr, roll-over burr and Tear burr. ■Poisson Burr A Poisson burr results from the tendency of a material to bulge at the side when compressed until permanent deformation of the plastic occurs. ■Roll-over Burr A roll-over burr is a burr that is more of a chip that is bent rather that sheared. The resulting burr is usually comparatively larger. The process even removes recessed burrs in blind and through holes. ■Tear Burr A Tear burr is the result of material tearing from a work piece rather than shearing from it. In the cryogenic deflashing process, parts are loaded into a basket. A cryogem such as liquid nitrogen is used to cool the workpieces. After they are cooled they are tumbled with pellets- often a polycarbonate media ranging in size from 0.006 to 0.080 inches (0.15mm to 2.03 mm.) Sometimes cryogenic deflashing does not rely on a blasting action but rather on the tumbling of the parts to remove flash from the outer edges. The process can even remove recessed burrs in blind and through holes. The process does not affect the surface finish or the geometry of the part. Edges are maintained without rounding or removal of extra material and only the unwanted burrs are removed.   Cryogenic Deflashing Systems Advantages Cryogenic deflashing equipements provides advantages over manual deflashing. ■The process maintains part integrity and critical tolerances. As it is a bath process the price per piece is far less as many more parts can be processed at the same time. ■Cryogenic deflashing is non-abrasive. ■As the process is computer controlled, the human operator variable is removed from the process. ■Mold life is extended by the cryogenic deflashing process. Instead of making a new mold a company may choose to deburr a manufactured part cryogenically and achieve the same product quality very much as they would with a new mold for a period of time until maintenance is performed.   Pege’s Automatic Nitrogen Trimming Machine’s Features ■Greater productivity ■Large output in short time ■Better and consistent Finish ■Low Labour dependence ■Space Saving ■Low Media Consumption ■Wide variety of rubber compounds - NR to Silicon Rubber ■Low Nitrogen Usage ■Simple Electrical Controls ■High Efficiency Blast Wheel ■Safety Interlocks ■Simple and Very Low maintenance      
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