Rubber screw barrel
With our abundant experience and superior quality products as well as excellent services, we have been recognized to be a top supplier with good reputation for 100% Original China Rubber Screw Barrel. We have now ISO 9001 Certification.
In the past of 30 years, many customers come to us with repeat orders, because EJS screw barrel stands for best quality and competitive selling price. Welcome to cooperate with us!
As a Feed Screw Manufacturers ,Rubber screw barrel was introduced to our production not long after factory establishment, each year, a large quantity of rubber screw barrel are produced for Chinese and Export market.
We make customized rubber screw barrel per customers’ drawings, and refurbishment on customers’ old screw barrel. When a new design or an improved design is needed, we have our technical people to assist you with our knowledge and over 25-year experiences on rubber.
Other than this, E.J.S produces feed screw design for customers natioanlly and internationally and always stand behind the products we produce and provide long term support for our products.
Bore diameter available for Rubber screw barrel
¢25~¢500
Surface Treatment of Rubber screw barrel
Nitrided
Hard Chrome Plating
Ceramic coated
Hardfacing / Bimetallic with Ni60, Colmonoy 56, Colmonoy 83
Quenching
Material request for rubber screw barrel
The material for rubber screw must be:
Anti-high temperature;
Anti-wearing;
Anti-corrosion;
High strength to work with high torque and high speed;
Good cutting performance;
The relief and the thermal deformation is small after heat treatment.
The material for rubber barrel include:
38CrMoAlA (DIN1.8509)
42CrMo ( AISI4140)
Stainless steel 304
Application of Rubber screw barrel
Shim and cable
Tire
Rubber profile
Rubber sheets
Rubber flooring
Inspection of Rubber screw barrel
Quality is everything, every Rubber screw barrels is strictly inspected at EJS factory before going into boxes.
Leakage test, temperature test, pressure test are usually made at our workshops when they’re requested.
Productivity of my rubber extruder is not good, can you help to improve the design of Rubber screw barrel to better the output?
YES, EJS engineer has good experiences on design of rubber screw batter, do be free to contact your sales representative for a great solution.
About E.J.S.
EJS Screw Barrels is a newly created brand name for Export business with manufacturing experiences since 1992.
A screw barrel manufacturer dedicated on producing customized screw barrel and design extruder screw barrels, injection moulding screw barrels.
Bimetallic Screw Barrels
We started to make bimetallic screw barrel at a very early age, almost the same time as the first bimetallic barrel was born in China. Now we have several types for options depending on different applications
Bimetallic Barrels | |||||
Alloy Type |
EJS01 Alloy |
EJS02 Alloy |
EJS03 Alloy |
EJS04 Alloy | |
Alloy Components |
Fe+Ni+Cr+B (Fe:65, Ni:14, Cr8, B:3.5) |
Ni+Cr+Co+B |
Ni+Cr+Co+V+B |
Ni+Wc+Cr+B (Ni:50, Wc:15~35,Cr:6~8, B:2.5~3.2) | |
Wearing Resistance |
★★★ |
★★ |
★★★ |
★★★★ | |
Corrosion Resistance |
★★ |
★★★ |
★★★ |
★★★ | |
Alloy Thickness |
2~3mm |
1.5~2mm |
1.5~2mm |
1.5~2mm | |
Hardness |
HRC 58-65 |
HRC 50-58 |
HRC 55-60 |
HRC 55-65 | |
Temperature Range |
≤400 |
≤450 |
≤450 |
≤600 | |
Coefficient Thermal |
RT~250℃ |
11.0x10-6 |
11.0x10-6 |
11.5x10-6 |
11.0x10-6 |
Expansion(/℃) |
RT~400℃ |
11.4x10-6 |
11.4x10-6 |
12.4x10-6 |
12x10-6 |
Range of Workable Length |
700mm~3000mm/piece | ||||
Base Steel Vastly Used |