Advanced Cryogenic Deflashing Solutions
High-efficiency, precision deburring for rubber, silicone, plastic, die-casting, and metal alloy products. Trusted by global manufacturers for over 20 years.
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High-efficiency, precision deburring for rubber, silicone, plastic, die-casting, and metal alloy products. Trusted by global manufacturers for over 20 years.
Showtop Techno-machine Nanjing Co., Ltd. is a Chinese national high-tech enterprise specializing in the R&D, manufacturing, sales, and lifetime post-sales service of cryogenic deflashing machines.
For over 20 years, STMC has been a leader in cryogenic deflashing and deburring technology. We offer complete OEM services and support for rubber, silicone, PEEK, plastic, and metal alloy products.
Precision-engineered cryogenic deflashing and deburring machines for a wide range of industrial applications.
Cryogenic Deflashing Machine for rubber, silicone, plastic, and die-casting parts.
High-capacity deflashing machine for medium to large production runs.
Industrial-scale cryogenic deburring for heavy-duty applications.
Compact model ideal for small batch processing and R&D.
Cost-effective solution for mid-volume production environments.
Safe for use with magnesium and other flammable alloys.
Ultra-high-performance cryogenic deflashing machine with advanced controls.
Specially designed plastic pellets for optimal flash removal.
The science behind cryogenic deflashing and deburring
Rubber, injection-molded, and zinc-magnesium-aluminum alloy products undergo hardening and embrittlement as temperatures decrease, progressively losing their elasticity. Notably, below their embrittlement temperature, even minimal force can cause these materials to shatter.
At low temperatures, the flash (excess material around the product) embrittles more rapidly than the product itself. During the critical window where the flash has embrittled but the product retains its elasticity, high-speed spraying of specially designed plastic pellets is used to impact the product.
This process effectively removes the flash without compromising the integrity or quality of the product, ensuring a safe, smooth, and visually appealing surface finish.
STMC successfully tested cryogenic deflashing on seven types of zinc alloy die-cast parts, demonstrating consistent quality and efficiency.
STMC now offers cryogenic deburring services for polyurethane (PU) shock absorbers, improving product quality and precision.
STMC completed a successful cryogenic deflashing test for NBR O-rings from an overseas client, helping reduce production costs.
Our machines handle rubber, silicone, polyurethane (PU), plastic, die-casting, and metal alloy products including NBR, EPDM, PEEK, and magnesium alloys.
One Ultra Shot 60 series machine can process up to 40kg per hour—equivalent to the output of approximately 40 manual workers.
Yes. STMC has subsidiaries in Dongguan, Chongqing, Japan, and Thailand, with global service and spare parts support.
Yes, we offer comprehensive installation, operation, and maintenance training for all our machines.
For inquiries about our products or pricing, please contact us directly through our official website.
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