US$300.00-4,000.00 | 1 Piece (MOQ) |
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 |
Screw diamater | Φ20-Φ50mm |
Maximum screw length | 10000mm |
Barrel inner bore diameter | 500mm |
Material | A: 38crmoala in high quality; B: alloy steel in high quality |
Technology | A. nitriding treatment; B. alloy coating spraying; C. heating treatment; D. screw fully hardening ; E. vacuum quenching; F: electroplate hard chrome |
Parameter | A: depth of nitrition layer: 0.6-0.8mm B: nitriding treatment for 7 day and night, surface hardness HV>900 C: fragility of nitriding: less than grade 1 D: surface roughness: ra0.4um E: streightness of screw: 0.015mm F: depth of bimetallic layer>2mm G: hardness of alloy platig: HRC 62-72 H: surface of hardness of chrome coating layer: HRC 62-72 I: thickness of chrome coating layer: 0.03-0.06mm |
Amount of injection (g) | screw diameter x length(mm) | barrel diameter x length(mm) | Amount of injection(g) | screw diameter x length(mm) | barrel diameter x length(mm) |
30-90 | Φ30x900 | Φ85x860 | 800-1250 | Φ75x1825 | Φ170x1725 |
60-125 | Φ35x910 | Φ85x860 | 1000-1500 | Φ80x2000 | Φ180x1805 |
100-150 | Φ38x935 | Φ95x900 | 1250-2000 | Φ85x2300 | Φ190x1900 |
125-160 | Φ40x980 | Φ95x910 | 2000-3000 | Φ90x2700 | Φ210x2000 |
125-300 | Φ42x1030 | Φ105x8880 | 2500-5000 | Φ100x2600 | Φ230x2405 |
250-400 | Φ45x1210 | Φ115x1165 | 3000-6000 | Φ110x2600 | Φ256x2590 |
300-500 | Φ50x1300 | Φ125x1260 | 4000-10000 | Φ120x2800 | Φ256x2800 |
450-600 | Φ55x1335 | Φ130x1320 | 6000-8000 | Φ130x3010 | Φ256x2970 |
500-700 | Φ56x1350 | Φ130x1350 | 8000-10000 | Φ145x3010 | Φ256x3200 |
500-700 | Φ60x1380 | Φ140x1350 | 10000-15000 | Φ160x3500 | Φ270x3200 |