
The above are our standard specifications, we can customize according to customers' requirements. The compression ratio of screws can be designed according to different raw material and products. |
|
92/188 |
110/220 |

Raw Material |
The Finished Product Processing Requirements |
38CrMoAlA, SACM645, 42CrMo |
Nitriding Treatment |
42CrMo, AISI 4140 |
Chrome Plating Hardness Layer |
4Cr5MoSiV1, SKD-61, SKD-11 |
Spraying Bimetal Alloy Layer And Nitriding Treatment |
HPM38, SI36, SUS440, 9Cr18MoV |
Stainless Steel(Iron), High Frequency Quenching |
GHII3 |
Nature Harden After High Temperature |

1 |
Screw Diameter |
92/188 |
2 |
Screw Hardness |
HV760 |
3 |
Barrel hardness |
HV940 |
4 |
Material |
38CrMoAl |
5 |
Thicknessof screw Nitriding layer |
0.4-0.6 |
6 |
Thicknessof Barrel Nitriding layer |
0.4-0.6 |
7 |
Number of Screw |
2 |
8 |
Screw Rotating Direction |
Converse Direction |
9 |
Barrel Heating |
5 |
10 |
Heating power |
60KW |
11 |
BarrelCooling |
2.2KW |
12 |
Feeding mode |
Automatic Forced Convey |
13 |
AC motor |
110 |
14 |
AC transducer |
TECO/ABB |
15 |
Exhaust vacuum pump |
5.5KW |
16 |
Hopper Material |
stainless steel |
17 |
Output |
500-700kg/hr |
18 |
Style |
Horizontal fixing |
1 |
Screw Diameter |
110/220 |
2 |
Screw Hardness |
58-65 HRC |
3 |
Material |
38CrMoALA |
4 |
Screw straightness |
0.015 mm |
5 |
Thickness of barrel nitriding layer |
0.6 -0.7mm |
6 |
Thickness of screw nitriding layer |
0.5-0.8mm |
7 |
Heating power |
62KW |

Romeroca is a professional flooring innovation and technical sevice company,
with 16 years experience in flooring industry, and over 10 years in Asian market.
We provide one-stop supply and services for overseas flooring factories,
including flooring production line, flooring raw materials, and technical services.
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