High speed single screw plastic extruder, strong torque, large thrust, high strength alloy steel gear and shaft superior performance, easy to operate, friendly control interface, high speed extrusion, high yield and high quality products, is a popular plastic processing machinery.
Technical Information for single screw barrel | |||
Main Base materials | 1.38CrMoAlA (SACM645) | Main Alloy Materials | 1. Ni-based alloy/Deloro alloy |
2. SKD-61 (Special Tool Steel) | 2. Tungsten carbide/Wolfram carbide | ||
3. 42CrMo (Ultrahigh StrengthSteel) | 3. NiCo-based alloy | ||
4. DC53 (Cold WorkDie Steel) | 4. Fe-based alloy | ||
5. W6Mo5Cr4V2 (High-SpeedToolSteel) | 5. Co-based alloy | ||
Processing Technics | 1. Heat treatment | Technical parameters | Nitriding layer depth:0.5-0.8mm |
2. Quenching | Nitrided hardness:900-1000HV | ||
3. Nitriding treatment | Bimetallic layer depth:3 mm | ||
4. Bimetallic alloy welding for screw | Bimetallic hardness:57~69HRC | ||
5. Bimetallic alloy centrifugal casting for barrel | Hard-chrome plating hardness after nitriding:≥950HV | ||
6. Hard-chrome electroplating | Chrome-plating layer depth:0.03-0.09mm | ||
7.Linearity of screw:0.015mm | Surface roughness:Ra 0.4 | ||
Specification:
1) 38CrMoAlA(JIS SACM645)
2) 42CrMo(JIS SCM440)
3) 9Cr18Mov
4) CW6Mo5Cr4V2
Characteristic
High quality alloy-steel
Heat-treatment
Nitriding treatment
Electroplated hard-chrome finish
Spray bimetallic coating
Depth of nitriding layer: 0.5~0.8mm
Nitriding hardness: 900~1000Hv
Nitriding brittleness: less than one grade
Surface roughness: Ra0.4
Straightness of screw: 0.015mm
Surface hardness of chromium plating after nitriding: greater than 950Hv
Chromium plating thickness: 0.025~0.085mm
Application
PVC wood plastic, PE wood plastic, ultra-high molecular plate, free brick plate, 1:2 above high calcium buckle plate, high calcium pipe, high calcium profile, soft PVC sheet, PVC foam board and other ordinary plastics, PP, PE, ABS, PVC, raw material granulation, production of pipe, profile, sheet and other products.
Q1. Are you a trading company or a manufacturer?
We are a BSCI&ISO-9001 certificated manufacturer.
Q2. Can I place the customized order for different sizes, colors, materials,packings….?
Yes, all the customized orders are welcomed.
Q3. Could I get a QC report before delivery?
Yes, the specific QC reports will be sent to you before delivery.
Q4. Can I get a lower price if I place a larger order?
Yes, the price will be modified according to your order quantities.
