Case Share
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STMC: Efficient Cryogenic Deflashing for Polyurethane Gears
STMC brings two decades of dedicated expertise in cryogenic deflashing technology, integrating R&D, manufacturing, and sales to offer complete solutions, including professional deflashing services. A recent application involved deflashing a batch of polyurethane sun gears for a customer. The ...Read more -
Got a Troublesome Zinc Alloy Toy Car with Flashes? See How STMC Delivered a Perfect Finish
Recently, STMC received a special “test case”—a sample zinc alloy toy car from an overseas client. The challenge was clear: address the problematic flashing, particularly along the parting lines and gate areas. The client’s goal was to find a high-efficiency, non-destructive fin...Read more -
How can burrs on plastic gears be removed?
In the injection molding industry, the quality of molded parts is crucial. This is especially true for precision molded gears, as their quality directly impacts the performance and stability of the entire mechanical equipment. However, removing internal burrs from these precision gears has long b...Read more -
How to Remove Flash from NBR Rubber Rings at the Parting Line?
Nitrile rubber (NBR) is widely used in precision sealing components for automotive, medical, and electronics industries due to its excellent oil resistance, wear resistance, and elasticity. However, under 60x electron microscopy, micro-flash at the parting line remains a persistent issue. Tradit...Read more -
Struggling with EPDM O-Ring Burrs? Try Cryogenic Deflashing/Deburring!
Recently, STMC efficiently completed a cryogenic deflashing/deburring project for a batch of high-precision Ethylene Propylene Diene Monomer (EPDM) O-rings. The client had stringent requirements for surface smoothness and dimensional accuracy, which conventional trimming methods struggled to meet...Read more -
Can Cryogenic Deflashing Achieve Zero Burr Residue on PPS Injection Molded Parts?
Recently, our company successfully completed a freeze deburring project for a high-precision PPS injection molded part. The part had micron-level burrs in its holes and gaps, clearly visible under a 60x electron microscope. Using advanced freeze deburring technology, all burrs were complet...Read more -
STMC Cryogenic deflashing Technology Effectively Solves Flash Removal Challenges for Natural Rubber Pet Toys, Enhancing Product Quality and Production Efficiency
Recently, STMC provided cryogenic deflashing and processing services for a pet toy manufacturer, successfully treating a batch of 200kg rubber pet toys. The product, made of natural rubber, features an internal design that allows for snack filling, with treats slowly released through small holes ...Read more -
How to trim rubber O-rings?
The product being tested today is a EPDM rubber O-ring, with burrs at the mold joint. The product has a small volume, as shown in the right image compared to a coin.Before cryogenic deflashing, we first weigh the product and put it in batches. The current testing machine model is 60C, and the ent...Read more -
STMC’s Cryogenic Deflashing Technology Successfully Removes Flashes from Silicone/FKM Watch Bands, Earning High Praise from International Client
Today, STMC’s technical team successfully completed cryogenic deburring tests for a renowned international watch strap manufacturer. Utilizing its self-developed NS-120T Cryogenic Deflashing Machine, STMC efficiently removed parting lines and micro-hole flashes from silicone and fluorocarbon rub...Read more -
Struggling with Delicate Part Deburring? NS-60T Cryogenic Deflashing—Zero Damage, Perfect Finish!
Recently,STMC successfully addressed a customer’s precision deflashing requirements for POM material valve pins using the advanced NS-60T Cryogenic Deflashing Machine. The product, characterized by its small size and intricate structure, had burrs primarily hidden in narrow gaps, making tra...Read more -
Precision in action: Cryogenic deflashing for ABS card reader casings
Recently, STMC nailed it by using their in-house developed dual-wheel cryogenic deflashing machine to handle a massive order of card reader casings. These parts needed super precise edges, and the machine delivered a killer 98% success rate—way above the client’s tough standards. The casing...Read more -
120 Series Cryogenic Deflashing Machine Revolutionizes EPDM Rubber Plug Trimming
120 Series Cryogenic Deflashing Machine: The Trimming Powerhouse The 120 Series is a star in the rubber trimming world, thanks to its high precision, large capacity, and smart features. With a φ350 aluminum alloy impeller and a chilling temperature down to -130°C, it freezes the rubber parts in n...Read more