Twin Screw Extruder Screw and Barrel Set BM-20 to BM-75 Models with 21.7-71mm Diameter Range

Price Negotiable

Price: Negotiation

MOQ: Negotiation

Delivery Time: 25-30 days subject to the clients' requirement and quantity

Brand: BLM-IV-1

Product Description

Twin Screw Extruder Components Overview

Our twin screw extruder elements are engineered for precision performance in plastic processing applications. Available in multiple configurations to meet specific production requirements.

Screw Element Types

Standard screw elements for basic conveying
Kneading elements for intensive mixing
Backward-pumping elements for pressure control
Specialized mixing elements for uniform dispersion

Quality Assurance Features

100% internal spline verification with plug gauge for component interchangeability
CNC grinding after heat treatment eliminates deformation effects
Surface roughness maintained below Ra0.8 for optimal performance

Technical Specifications

Model	Screw Major Diameter (D/mm)	Screw Minor Diameter (d/mm)	D/d Ratio	Center Distance (mm)
BM-20	21.7	14	1.55	18
BM-25	25	16.1	1.55	21.2
BM-35	35.6	23.6	1.51	30
BM-50	50.5	32.5	1.55	42
BM-52	51.4	33.8	1.52	43
BM-60	59.6	43.8	1.37	52
BM-65	62.4	40.5	1.54	52
BM-68	69	49	1.40	60
BM-70	70.6	47.4	1.49	60
BM-75	71	47	1.51	60

Conveying Element Functionality

Conveying elements are characterized by flight count, length in millimeters, and pitch specifications. Larger pitch elements provide enhanced conveying capacity, making them ideal for feed opening applications where pressure management is critical.

Product Images