Advanced Freeze Trim Cryogenic Deflashing Machine;
COLD TREATMENT;Freezing Method ;
Why choose us:
Thanks to the deep and close relationships with our customers of hundreds of rubber manufacturers, who are constantly exploring technology for gains in productivity;
we strongly witness the importance of deflashing/deburring, a very important area for cost and quality controlling;
Thus the reason we add our new series line of Cryogenic Deflashing Machines;
We aim to provide our customers with one-stop solutions no matter small, modest, or large scales of production;
Cryogenics is by far the most versatile, effective & economical option for deflashing rubber parts, a compact range of time-saving and quality-enhancing deflashing machines.
• A multi-material deflashing solution providing complete processing flexibility from one machine;
• A quality-enhancing method of deflashing;
• A system which increases productivity due to its exceptionally fast running speed;
• An automated cost-cutting method that dramatically decreases operational and labor costs;
• An environmentally-friendly facility；
A wide range of molded materials can utilize cryogenic deflashing with proven results. These include:
Examples of applications that use cryogenic deflashing include:
A typical cryogenic deflashing machine consists of a stainless steel cabinet insulated with dense polyurethane foam; Located inside the cabinet are the blast chamber, the liquid nitrogen nozzle, and the opening for the throwing wheel.
INTER-CHINA Freeze Deflashing Machine with the unique features as following;
Why should I use the Freeze Trim / Cryogenic Deflashing trimming machines?
Deflashing machine also known as deburring machine.
Though this cryogenic deflashing technology has been in existence for over 50 years, its practical introduction happened about 20 years back. Its popularity has been on the rise in the last 15 years.
This process uses liquid nitrogen, high-speed rotation, and media (shot blast) in varying combinations
to remove the flash in a highly precise, economical, and practical manner.
Compared to manual deflashing and other traditional deflashing methods.
The fully automated process significantly decreases deflashing time, increasing production capacity
It also offers complete flexibility to multi-material processors.
When should I use the Freeze Trim / Cryogenic Deflashing trimming machines?
The INTER-CHINA Freeze Trim provides the user with complete processing flexibility, and it is ideal
for those with large volume production, multiple part sizes and complexities (including those up to 250mm dia.), different materials, or when a high quality and pristine finish is paramount;
Example: Our Model SD-M/MT, with 120L basket capacity, daily ( 8 hours ) can complete the processing of 400~800kgs, which is equal to 30~100 workers manual job under the same working time.
It’s amazing productivity.
How do the Freeze Trim / Cryogenic Deflashing trimming machines work ?
Molded parts are placed into a perforated stainless steel parts basket and then inserted into the blast chamber of the Freeze Trim and the basket is mechanically rotated to expose all parts to the blast media. Liquid nitrogen lowers the temperature (in some cases up to -140°C) while freezing the rubber to make it brittle. Because the burrs have a high surface area relative to their mass, they“freeze” very quickly and become brittle.
The physical properties of the parts are not affected during the deflashing process.
A unique high-speed impeller (up to 8,000rpm )directs and throws the polycarbonate media into the rotating basket and by traveling at high speed, the small pellets cleanly trim off the brittle flash leaving a high quality, flashless molding.
The tumbling action— combined with the impact of the media— removes the burrs without damaging
the part itself.
After the process is complete, the parts are returned to room temperature.
This cryogenic deburring leaves a clean part—with no dust or other residue remaining —with 100%
Parts that have thin flashes can be quickly and thoroughly cryogenic deflashed. Cryogenic
The deflashing process is exceptionally good at removing the inner dimensional and complex flash in
your products that cannot be removed by any other method.
Temperature fluctuation in operation:
Because the temperature of the flash goes down quicker than the mold itself, deflashing can be done perfectly without damaging the product itself.
TA = Room temperature
TE = Embrittling temperature
TC = Set temperature in the barrel
t1 = Barrel operation starting time
t2 = Barrel operating stop time
|Examples of the embrittling temperature
|Embrittling temperature ( ab ) °C
|Natural Rubber ( NR )
|Styrene Butadiene Rubber ( SBR )
|Butadiene Rubber ( BR )
|Acrylonitrile Butadiene Rubber ( NBR )
|Butyl Rubber ( IIR )
|Neoprene Rubber ( CR )
|Zinc alloy/ AL
|ab - 40°C
|Maximum Basket Volume(Litres)
|Usable Volume (Litres)
|Total Power (kW)
|Liquid Nitrogen (LN 2 )
|Operation Temp ( Degree)
|-130 ~ 50
|Three phase /AC380V±5%
|Main Structure & Components
|With alarm sensors to protect operators' safety
|Max Speed (rpm): ~7200
|Media Throwing Wheel Dia. (mm)
|Tunable Vibration Separator ( 3 Layers)
|Material of Body & Inner Parts
|SUS304 /Thermal Insulation Material (PIR )/Soundproof cotton
The average cycle time can range from 1.5 – 10 minutes depending on the number of parts per batch (which is, dependent on the size of your molded parts); flash thickness; wheel speed; and size of media used.
We have three models to meet different production demands;The big capacity of the Basket is unique, which dual brings with users totally amazing productivity.
1. Capacity of Basket;
2. Size of Impeller ( According to product size)
3. Color of Machine；
4. Control Mode: Button or HMI；
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For more details, please get in touch with us freely !!!
INTER-CHINA RUBBER MACHINERY CO., LTD.
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