Extruder

AEP’s factory also has an RMS extruder, used to make flat-profiled rubber-covered rollers and three-dimensional pieces. 

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Equipment

Machin: RMS, PME 120, “4" Pin type” cold feed
Start-Up Date: 2003
Metal detector: Yes
Screw / Sleeve: 2003
Roller Die: 12" x 30"
Die: Custom made to suit customer needs
Cooling system or (water bassin): Cooling drums (6 cans)

 

Specifications

Unit

Minimum

Maximum

Tolerance

Width Inch 1 7/8 20 ± 1/8

Thickness

Inch 0.020 0.800 RMA Class 1

 

Notes:

  • Small bands must be combined with larger ones to achieve consistency.
  • For product cut to length maximum thickness is 0.750".

 

Finished Products 

Specifications

Unit

Minimum

Maximum

Finish Product OD 1.75" 20"

Cardboard Core

ID 2" to 3"  N/A

Weight

pounds N/A 75

 

RMA Class 1 High Precision Tolerence
These standards for Cross Sectional Tolerance are part of Table 13 of the Rubber Handbook published by the Rubber Manufacturers Association, Inc.

 

Dimensions (inches)

RMA Class >

1 High Precision

2 Precision

3 Commercial

0 to 0.060 ±0.006 ±0.010 ±0.015
0.060 to 0.100 ±0.008 ±0.014 ±0.020
0.100 to 0.160 ±0.010 ±0.016 ±0.027
0.160 to 0.250 ±0.014 ±0.020 ±0.031
0.250 to 0.390 ±0.015 ±0.027 ±0.039
0.390 to 0.630 ±0.020 0.031 0.051
0.630 to 0.980 0.027 0.039 0.063
0.980 to 1.570

0.031

0.051 0.079
1.570 to 2.480 0.039 0.063 0.098
2.480 to 3.940 0.051 0.079 0.126