The Comprehensive Guide to PEGE'S FROZEN SHOT Cryogenic Deflashing: Solving Deburring Challenges Across Industries in 2026   As global manufacturing standards rise and labor costs continue to climb in 2026, relying on manual trimming for rubber, plastic, and die-cast parts is no longer a sustainable strategy. Manufacturers are increasingly turning to automated solutions to maintain high yield rates and strict quality control. At the forefront of this transition is the Cryogenic Deflashing Machine, an advanced automated deburring system designed to remove flash with zero damage to the core product. But how exactly does this technology benefit specific industries? Let's dive into the core applications, technical workflow, and ROI benefits of upgrading to a liquid nitrogen deflashing system. Industry-Specific Solutions: Where Cryogenic Deflashing Excels The versatility of the Nanjing PEGE cryogenic deburring machine allows it to solve flash removal bottlenecks across multiple high-precision industries: 1. Automotive & EV Manufacturing (Rubber Seals & PU Bumpers) The electric vehicle (EV) industry demands absolute precision for rubber O-rings, gaskets, and silicone seals to ensure battery waterproofing and noise reduction. Manual trimming often results in uneven edges or dimensional inaccuracies. ● The Solution: Cryogenic deflashing easily handles high volumes of EPDM, NBR, and FKM rubber parts. For larger automotive exterior parts, specific models like the PEGE PG-120T are engineered to seamlessly deburr bulky Polyurethane (PU) bumpers, ensuring a flawless surface finish ready for coating. 2. Consumer Electronics (Precision Plastic Injection Parts) Smartphones, wearables, and home appliances rely on micro-plastic injection parts. The flash on these components is often located in complex internal geometries or tiny holes that are impossible to reach by hand. ● The Solution: The high-speed polycarbonate granules (sized from 0.5mm to 1.5mm) can penetrate blind holes and complex cavities, knocking off the embrittled plastic flash without altering the product's delicate structure. 3. Precision Hardware & Die-Casting (Zinc and Magnesium) Beyond rubber and plastics, cryogenic deflashing is highly effective for lightweight metal alloys used in aerospace and 3C electronics. It removes the ultra-thin flash from zinc and magnesium die-castings without the heavy abrasion caused by traditional tumble blasters. The "Frozen Shot" Technical Workflow Understanding the mechanics behind Nanjing PEGE's cryogenic deburring process helps explain why it achieves such high precision. The process relies on a highly controlled, three-step sequence: 1. Rapid Embrittlement: Liquid nitrogen is injected into the highly insulated processing chamber, rapidly dropping the temperature (adjustable from -130℃ to +50℃). Because the flash is much thinner than the main part, it freezes and becomes brittle instantly, while the thicker main component retains its flexibility and physical properties. 2. High-Speed Blasting: A high-performance throw wheel propels polycarbonate granules at a calculated speed of up to 105.7m/s. These media pellets cleanly and uniformly shatter the brittle flash upon impact. 3. Automatic Separation & Recovery: A built-in vibratory screening system efficiently segregates the reusable polycarbonate media from the removed scrap dust, significantly minimizing daily consumable waste and keeping the operation eco-friendly. Choosing the Right PEGE Model for Your Production Line Selecting the appropriate equipment depends on your daily throughput, part dimensions, and factory floor space. PEGE offers a comprehensive lineup to match any production scale: Model Barrel Capacity Productivity (kg/day) Ideal Application Focus PG-40T 40 Liter 150 - 200 Small precision O-rings, silicone medical components, micro-plastics. PG-60T 60 Liter 200 - 250 Medium-sized rubber seals, gaskets, standard plastic injection parts. PG-120T 120 Liter Heavy Duty Large parts, Polyurethane (PU) bumpers, high-volume automotive parts. (Note: PEGE equipment features an optimized insulation design that reduces liquid nitrogen consumption by up to 20% compared to average industry standards, maximizing your ROI). Frequently Asked Questions (FAQ) Q: Will the extreme cold (-130℃) damage or alter the final product? A: No. The rapid cooling strictly targets the micro-thin flash due to its lower thermal mass. The core product does not stay in the chamber long enough to undergo any permanent structural or physical changes. Q: How long does a typical deflashing cycle take? A: Efficiency is a major advantage. A typical cycle takes only 3 to 10 minutes depending on the material thickness and flash severity, replacing hours of manual labor. Q: What is the lifespan of the polycarbonate shooting media? A: Polycarbonate is highly durable. While it gradually wears down over time, the machine's internal separation system continuously recycles the viable granules, ensuring maximum cost-efficiency. Ready to Automate Your Deflashing Process? Upgrading to a cryogenic deflashing system isn't just about buying a machine—it's about transforming your quality control and scaling your production capacity without scaling your labor costs. With over nearly 20 years of expertise and successful installations in more than 15 countries, Nanjing Pege Techno Machine Co., Ltd is your trusted partner for Efficiency and Precision. [Contact Us today] for a free consultation, or send us your product samples for a complimentary Cryogenic Deflashing Sample Test to see the results firsthand.

On the year of 2022, one customer from Colombia sent some samples for testing. The rubber parts to be deflashed are rubber O rings. You can see from following photo: There are many flashes which are difficult for manual deflashing. After Cryogenic deflashing, we can get good results without flashes. Even though the deflashing result was acceptable, customer was hesitating to make decision to purchase the cryogenic deburring machine due to the budget problem. They paused the purchase this nitrogen shot blasting deflashing machine. On the year of 2025, last year, customer restarted the project and we talked about the model and the offer and finally we made a deal to sell the cryogenic deflashing equipment Model PG-60T to customer. It is a wonderful machine for automatic rubber deflashing process, it is well designed and well manufacturered.  

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.

  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      

PU TPU TPE parts cryogenic deburring machine   Cryogenic Deflashing or cryogenic deburring is available for all molded parts, including those made of plastics, polymers, nylons, rubbers, silicone rubber, polyurethane, neoprene, liquid crystal polymer, urethane, viton, polycarbonate, PTFE, PPS, delrin, polypropylene, EPDM, nitrile, butyl, DAP, ABS, PEEK, Acetal and aluminum zinc die cast and precision elastomer parts.   Cryogenic Deflashing Works On Most Molded Parts   The computer-controlled process generates repeatable and reliable results. Many medical devices and other high value precision molded components are included in our vast array of successful deflashing applications. We have processed parts manufactured through injection molding, compression molding and extrusion molding. Our cryogenic deflashing machine offers a fast and repeatable process to remove flash from plastic parts. Through freezing, tumbling and blasting polycarbonate media at your injection molded plastic parts, we are able to remove residual mold flash time and time again. The Cryogenic Deflashing process was originally created to remove mold flash from rubber parts. We are able to deflash rubber parts that are injection molded, extrusion molded and compression molded. We have processed parts made of various durometers. We typically deflash rubber parts made of EPDM, neoprene, Viton, Buna-N, nitrile, natural gum, SBR, butyl, and other elastomers. Our Cryogenic Deflashing machine is often used by molders who work with silicone rubber. Silicone rubber, by its nature, is very viscous causing it to flash during the molding process. The Pege’s Deflashing machine removes mold flash from silicone rubber parts. We deflash parts made of liquid silicone rubber and even special blends of silicone rubber that include conductive fillers such as silver, graphite, nickel. Rather than invest in an expensive new or repaired mold tool, customers can elect to extend the functional life of their mold tool by adding the additional step of deflashing, to finish the part and remove any residual flash leftover after molding operations. It is economical to pay only a slight premium per part than to invest in a new molding tool that has a limited production life.   Cryogenic Deflashing is a fast and efficient process that provides complete removal of mold flash without affecting the surface finish. Therefore, it is a safe,clean and cost-effective alternative to traditional methods. Parts are placed in a chamber, cooled, tumbled and impacted with plastic polycarbonate media. Mold flash is removed quickly and cleanly. No dust or residue remains after deflashing. Cryogenic Deflashing is more cost-effective than labor-intensive hand deflashing by a significant margin. The cost to process parts can range from less than .01 cent to several dollars apiece. General rule of thumb: cost is between 10% and 20% of the value of the part, although each part must be considered on its individual   Nanjing Pegedeflashing’s Cryogenic Deburring Machine’s ADVANTAGES 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   Our factory and Workshop of cryogenic deflashing systems Nanjing Pege Techno Machine Co.,Ltd production plant is located in the No.9 Ankang road, Guli Industrial Zone, Jiangning District, Nanjing.We have professional production workers and process, are determine to produce best product for the customer all over the world   Packing and Transportation of cryogeic deflashing equipments The machine produced by Nanjing Pege is well packed by plywood carton suitable for long distance sea transportation to ensure machine safety and performance. We can help customer to arrange the transportation by the terms of FOB, CIF with land or sea transportation methods according to the request from the 

Cryogenic Deflashing Machine Product and Company Introduction   Cryogenic deflashing machines are known for its precise quality de-flashed parts with up to 95% performance output without affecting the final part dimension and shape from small O-rings to big molded parts. These Machines serve the need for Rubber, Metal-Rubber parts, small precision plastic parts and small die-casting parts like Zinc and Magnesium alloy.   Product Description Working Principle of Rubber Deflashing Machine With the decrease of the temperature, rubber/plastic parts enter into hardened, brittle, and crystallized process, its flexibility is gradually lost. It is easily broken by external force when it is under brittle temperature. Flash of the molded products is generally much thinner than finished product itself, it become brittle earlier than product in the low temperature. Cryogenic deflashing machine applies this principle, works in the time range when flash is brittle while products still keeps its flexibility, hit the flashes by high speed projected special plastic media, clear out the brittle burr. The flashes can be easily removed, and the product not be damaged.   Specifications Mode PG-40T PG-60T PG-80T PG-100T PG-120T PG-150T Capacity 40Liter 60Liter 80Liter 100Liter 120Liter 150Liter Wheel size 250mm 250mm 300mm 300mm 350mm 350mm   Worldwide Installations of Nanjing Pege Cryogenic Deburring Machine USA, Mexico Australia, New Zealand Poland, Croatia, Slovenia, Hungary, Greece Russia Malaysia, Thailand, Vietnam, India   FUNCTIONS of cryogenic trimming machine Our rubber deflashing machine is widely used in removing the flashed of small rubber and plastic parts like O-rings, gaskets and other molded parts. With the cryogenic processing technology, the flashes are firstly freeze and then shot down the high-speed projection media (Polycarbonate blast). The surface quality of molded rubber and plastic rubber parts can be improved greatly. Product Specification / Models   APPLICATIONS of cryogenic deflashing machine A. O rings, irregular rubber parts with different material and sizes. B. Micro electronic product parts C. Precision elastomeric parts D. Precision injection moulding plastic parts E. R & D part runs F. Die casting products, like zinc aluminum, magnesium alloy   FEATURES of cryogenic deburring machine High efficiency: The machine can replace about 60-80 worker to removing the flashes. High precision: It can remove small and hardened flashes which cannot be removed by handworkers and improve precision of the products. Low cost: It also has a feature of lower cost comparing with processing the parts by handworkers.   Nanjing Pege Techno Machine Co.,Ltd production plant is located in the No.9 Ankang road, Guli Industriall Zone, Jiangning District, Nanjing. We have professional production workers and process, are determing to product best product for the customer all over the world The cryogenic deflashing machine produced by Nanjing Pege is well packed by polywood carton suitable for long distance sea transpotation to ensure machine safety and performance. We can help customer to arrange the transportation by the terms of FOB, CIF with land or sea transportation methods according to the resuqest from the customer.

  Most frequently asked question regarding the technology of the cryogenic deflashing    1. What is cryogenic deflashing? Deflashing machines use liquid nitrogen to help the part reach a low enough temperature where its substrate becomes protected. Once the excess flash or burrs reach a brittle state, the cryogenic deflashing machines are used to tumble and blast the part with polycarbonate or other media to remove the unwanted flash.   2. Does cryogenic deflashing work on molded plastic parts? Yes. The process removes burrs and flash on plastics, metals, and rubber.   3. Can cryogenic deflashing remove internal and microscopic burrs? Yes. The cryogenic process combined with the appropriate media in the deburring machine removes the smallest burs and flashing.     4. What are the advantages of cryogenic deflashing system? Deflashing is an efficient and highly effective method that provides several advantages, including: ·   ♦ High level of consistency ·   ♦ Non-abrasive and will not damage finishes ·   ♦ Lower cost than other plastic deflashing methods ·   ♦ Maintains part integrity and critical tolerances ·   ♦ Lower price per piece ·   ♦ Use low cost cryogenic deflashing to avoid repairing your expensive mold. ·   ♦ Computer controlled process provides higher accuracy than manual deburring   5. What kind of products are able to be cryogenically deflashed? Broad range of products, including: ·   ♦ O-rings & gaskets ·   ♦ Medical implants, surgical tools and devices ·   ♦ Electronic connectors, switches, and bobbins ·   ♦ Gears, washers and fittings ·   ♦ Grommets and flexible boots ·   ♦ Manifolds and valve blocks   6. How to know if the product is suitable for cryogenic deflashing？ Sample Deflashing TestsWe invite you to send us some of your parts for sample deflashing tests. This will enable you to review the quality of deflashing our equipment can achieve. In order for us to establish parameters for the parts you send, please identify each, by your part number, the main compound used in the manufacturing, along with a finished or Q.C. example. We use this as a guide to your expected quality level      

  Applications Areas of Cryogenic Deflashing Machine Applicable Materials Of Cryogenic Deflashing ● RubberThe cryogenic deflashing machine can process products made of neoprene, fluoro rubber, EPDM and other rubber materials. The common ones are seal rings / O-rings, auto parts, rubber parts, rubber insoles, silicone products, etc.   ● Injection molding (including elastomer materials)The cryogenic rubber deflashig machine can process products made of PA, PBT and PPS. The common ones are connectors, nanoforming structural parts, medical use injection parts, automotive injection parts, mobile phone cases, mouse cases, injection molding miscellaneous parts, etc.; also products made of TPU and TPE elastic material, such as watch bands, wristbands, soft sleeves, plastic cases, etc.   ● Zinc magnesium aluminum die-castingThe pegedeflashing cryogenic deburring machine can process aluminum, zinc, magnesium alloy products. The common ones are auto parts, metal crafts, decoration items, toy parts and etc.    

The definition, principal, and composition of a typical Cryogenic Deflashing Machine A cryogenic deflashing machine, also known as a cryogenic deburring system, is a type of equipment used to remove excess material or flash from molded or machined parts. Cryogenic deflashing is a process that involves the use of extremely low temperatures to freeze the parts and then removing the flash using various methods. The cryogenic rubber deflashing machine typically consists of a large chamber or tub where the parts are placed. Liquid nitrogen  is used to rapidly cool the parts, making them brittle. Once the parts are sufficiently cooled, they are subjected to tumbling or blasting action, which causes the brittle flash to break off from the parts. The rubber or plastic flash is then separated from the parts using air, vibration, or other means. Cryogenic deflashing is commonly used in industries such as automotive, aerospace, electronics, and medical devices, where precision and cleanliness are critical. It is an effective and efficient method for removing flash from complex-shaped parts without damaging the component itself. Moreover, cryogenic deflashing is considered to be environmentally friendly compared to traditional methods that involve the use of harsh chemicals or mechanical trimming. Pegedeflashing is a leading supplier of various type of cryogenic deflashing machines.

Pege’s Cryogenic Deflashing/Deburring Machine Features ■Visual& Intelligent HMI Panel - User friendly 11inch HMI operation panel, one stop operation mode, can record and read the parameters, easy to operate and manage。 ■Robust Machine Frame - Frame is all made of 304 stainless steel, its edge uses red powder coating process to ensure both durability and elegant appearance. ■Compact Design to Save LN2 Consumption - To optimize the machine design to make sure the machine chamber is compact and small for saving liquid nitrogen to lower running cost. ■Greater Insulation Effect - Despite of using 75mm thicker insulation material, the insulation material is strengthened by SUS304 material, to ensure excellent heat preservation effect, also can lower LN2 consumption largely. ■Higher Blasting Speed with Big Diameter Wheel Ensure Great Power - Different wheel size choices ensure perfect match between power and barrel capacity to realize best processing result and highest productivity. Our 80Liter use a Ф300mm wheel with a max 7000rpm speed, and 120Liter&150liter a 350mm wheel with a max 7000rpm speed. ■Durable and Efficient Vibrator-Reliable customized SUS 304 vibrator can keep stable running for more than 10 years in the low temp, high humidity environment without failure. ■Bigger Diameter Sieve for Better Separation-Bigger capacity model(120liter&150liter’s) vibrator sieve diameters are around 600mm, which is larger than most of other manufactures, has the advantage of quicker filtering flash and media and has higher efficiency. ■Automatic Media Suction and Blasting- Automatic media circulation system by negative pressure occurred in machine inner chamber, not by screw lifter, save media and more intelligent. ■World Well-known Controller brand like SIEMENS, Panasonic or Mitsubishi, Omron to ensure high working stability in the low temp environment.■Easy and Convenient Media Exchange system to make operation quicker and easier. ■Better Gear Box Design and use customized anti-low temp oil seal to ensure very few dusts get into the box, so less maintenance on gear box. ■More Durable Umbrella Gear and Bearings will ensure long term consistent running with less failure and less maintenance cost. ■Robust Barrel and Machine Door-use strong and thick steel for barrel and machine doors, deformation will not happen even after long time use.  

Nanjing Pege Techno Launched a New Model of Smaller Capacity Cryogenic Deflashing Machine-PG-40T New type of cryogenic shot blasting deflashing machine has following special features: Extremly compact and small machine size and inner chamber to save LN2 use Strong power with a 3.7KW motor, and a 500mm diameter vibrator. High blasting efficiency and flash&media separation performance. Smaller location space requirement. Good quality performance as well as reliable processing efficiency. Afforable price and cheap maintenance cost. With above good features, this type of nitrogen deflashing machine will be well accpect and welcome by rubber or plastic components manufacturers all over the world.

Spin Trimming Deflashing Machine PRODUCT DESCRIPTION Design Purpose Remove waste edges/flashes of rubber parts automatically. Operation Principle By using the theory of aerodynamic & centrifugal force, by high speed rotation along with violent hitting against each part. Applications All kinds of rubber parts for a wide range of industry fields. The spin trim deflashing machine is ideal for use in the automotive, oil and gas, aerospace, medical, electronics, and general rubber sectors. Features 1.PLC & HMI control, a plug-and-play equipment, 7.5inch touch screen, user friendly operation panel. 2.Not freezing, no need liquid nitrogen, no molds requirement, only basic labor and electricity, very low manufacturing costs 3.Extremely high output, average as 40~50 workers at the same working time, millions of products can be finished per day 4.Ideal for the effective deflashing of small to medium size rubber parts, especially for the O rings. 5.Divided space room for filling & operation respective, realizes a continuous production 6.Patented Cutting Technology for Closet Wet Trim. A safe, affordable and automated process 7.Automatic Self-Lubrication System for Non-stop Trimming 8.High power and speed motor to ensure reliable performance and stable running.