Bimetallic Parallel Screw Barrel For PVC

Product name: Bimetallic Parallel Twin Screw Barrel for PVC Profile, PVC board

Parallel screw style: PVC application high filler calcium screw (100–150%), OEM or customised available.

Parallel screw turning: Turing outwards with different directions.

Components: 2 screws+ 1 barrel

Based material: Premium 38CrMoAlA, UNS K24065, SACM645, 41CrAlMo7-10, nitrialloy, SKD11

Nitrided surface hardness: HV≥1000

Nitriding depth: ≥ 0.7mm

Treatment available: SKD inlay bushing barrel + bimetallic screw, bimetallic inlay bushing barrel + bimetallic screw, bimetallic barrel + bimetallic screw

Applications：

PVC parallel twin screw extruder parts: Kabra twin extruder screw barrel, Windsor twin extruder screw barrel, Kraussmaffei screw barrel, Batternfield cicinnatti screw barrel.

Extruder for PVC pipes, rigid UPVC pipes, CPVC pipes, etc. PVC profiles, PVC sheets.

Parallel Screw Barrel Model Specification：

*Please check the actual screw barrel design with the salesperson before the order start.

Parallel Twin Screw Barrel Technical Parameter：

1. Material: Premium 38CrMoAlA, UNS K24065, SACM645, 41CrAlMo7-10, nitrialloy, SKD11

2. Plasma nitriding layer: 0.6-0.8mm

3. Nitrided time: more than 120 hours

4. Nitrided surface hardness: HV1000-1100

5. Nitrided Brittleness: Less than Grade1

6. Surface Roughness: Ra 0.4μm

7. Screw Linearity: ≤0.015mm

8. Alloy surface hardness: HRC≥61

9. Alloy deepness: 2-4mm

10. SKD inlay bushing surface hardness: HRC≥62

11. SKD inlay bushing thickness: 6-10mm

Screw Barrel Treatment Available:

1. SKD inlay bushing barrel + bimetallic screw 

2. bimetallic inlay bushing barrel + bimetallic screw 

3. Bimetallic barrel + bimetallic screw,

4. Nitriding barrel + bimetallic screw.

5. Nitriding barrel + nitriding screw

Trading Term:

1. Business type: manufacture, foreign trade company.

2. Origin: Zhoushan City, Zhejiang, China

3. Warranty: 8 months for fresh material.

4. International commercial Terms: FOB, CFR, CIF, EXW

5. Parallel screw barrel HS code: 8477900000

6. Terms of payment: T/T, L/C

7. Average lead time: stork model in 7 days. Peak season lead time: 45 days, Off season lead time: 33 days

8. Transport package: AA Grade Wooden Case

Bimetallic Parallel Screw Barrel Services:

1. Inspection of original screws and barrels, and other related components.

2. Rebuilding Services to OEM specifications.

3. Modification services of screw designs to improve melting and mixing performance.

4. Emergency Service for an emergency turnaround service to minimize machine downtime.

MUST READ

1. Our screw barrels are manufactured in strict accordance with standard drawings.

2. Before starting an order, please check the original screw barrel dimensions carefully, especially the assembly dimensions, to ensure that they can be installed and put into operation smoothly.

3. Screw barrels require attention to assembly and maintenance, and incorrect assembly and maintenance can shorten the life of the screw barrel.