Single Screw and Barrel for Haitian Injection Moulding Machine/engel Injection Moulding Machine
Specifications
1.screw and barrel has long use life2.screw and barrel has good plasticizing effect
3.high output,good price,good service
| Steel material Steel material | 38GrMoAlA(screw) 42GrMo(barrel) | |
| Hardness after hardening &tempering | HB:280-320 | |
| Hardness &Tempering time | 72 hours | |
| Nitrided hardness | HV:850-1000 | |
| Nitrided time | 120hours | |
| Depth of nitriding case | 0.50-0.80mm | |
| Nitrided Brittleness | less than grade 2 | |
| Surface Roughness | Ra:0.4 | |
| surface hardness of chromium- plating after Nitriding | >HV900 | |
| Depth of chromium -plating | 0.025-0.10mm | |
| screw straightness | 0.015 |
Prosessing program for single screw and barrel
Custome Order--Product Design(Customer Drawing)—Production
Flow Arrangement—Material Procurement—Hardening&Tempering
—Drilling—RoughTurning—RoughThread Rolling (AlloySprayWelding)—Alignment—FineThread Rolling—Mixing—Alignment—HighFrequency
Treatment—Alignment—Polishing—Grinding—120 Hours NitridingTreatment
—Acid Piclking—Polishing—Chrome Plating—O.D.Grinding—Packaging&Shipping
workshop and equipments
parallel twin screw application for plastic
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| Port | NingBo/Shanghai | ![]() |
| Packing | screw barrel are wrapped in a layer of plasticfilm then will be fixed in a strong wooden case |
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| Volume | 0.5m3-5m3 one set | |
| Delivery | 30 working days after the deposit |
there are many ways you can find us! and we are always ready to service you !
MOB:86-13646807744
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