JB/T 5814.5-1991 Basic parameters of special equipment for wires and cables Part 5: Extrusion equipment

This standard specifies the series and basic parameters of wire and cable extrusion equipment. JB/T 5814.5-1991 Basic parameters of wire and cable special equipment Part 5: Extrusion equipment JB/T5814.5-1991 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
Basic Parameters
Special Equipment for Wires and Cables
Part 5扌
Extrusion Equipment
1·Subject Content and Scope of Application
This standard specifies the series and basic parameters of wire and cable extrusion equipment. JB/T5814.5-91
Replaces JB2929-81
This standard applies to extrusion equipment for extruding thermoplastics and thermosetting cross-linked polyethylene insulation and sheathing of wires and cables. The extrusion equipment specified in this standard can also be used for other extruded products with extrusion processes similar to those of cable insulation or sheathing. 2 Models
The series models of extrusion equipment are shown in Table 1.
The product marking of extrusion equipment should be specified in its type and size standards. 2.2
Series Model
3Basic Parameters
Thermoplastic Profile Extruder Series
Thermosetting Cross-linked Polyethylene Extruder Series
The basic parameters of SP series extruders shall comply with the provisions of Table 2. 3.1
3.2The basic parameters of SL series extruders shall comply with the provisions of Table 3. Main purpose
Extrusion of PVC, PE, F plastic insulation and sheath Extrusion of cross-linked polyethylene insulation
Table 2-1 Basic parameters of SP series extruder
Specification code
Screw length-to-diameter ratio
Specification L/D
Process parameters
After extrusion
Inlet wire diameter
0.30~0.50
0.15~0.30 or
0.24~1.00
0.50~1.20 or
0.80~2.00
Approved by the Ministry of Machinery and Electronics Industry in 1991--10-1730
Parameters of auxiliary device
Specifications of traction device||tt ||Paying-off device
200/400
250/500
Taking-up device
315/400
400/630
Cooling device
2,3,4,5
Equipment
1992—10-01implementation
Specification code
(80/20)
120/20
120/25
(150/15)
150/20
150/25
(200/17)
200/20
200/25
250/ 20 | | tt | | 250/25 | 45/2 5+65/25
65/25+90/25
Screw aspect ratio
Continued Table 2-1
JB/T5814.5-91
SP series extruder basic parameters
Technical parameters
Inlet diameter
1.00~4.00 or
2.5 0 ~ 10.0 | | tt | | 2.50 ~ 21.0 | 0~2 .00
1.00~4.00 or
2.50~10.0
2.50-21.0
6.00~18.0 or
7.50~20.0
0.24~1.00
split die extrusion; "一"
Specifications in brackets are reserved specifications. www.bzxz.net
After extrusion
Specifications of traction device
630 or 630 or
630 or 630 or
630 or 630 or
一common die extrusion. | |tt | |1000/2000
1250/25001250/2500
1600/31 501600/3150
2000/4000
250/500
630/1250
800/1250
800/1600
250/500
630/1250
800/1600
2000/4000
400/630
800/1250
8 00/1600
400/630
800/1250
800/1600
Cooling device
In the equipment
Main parameters
Specification code
Screw aspect ratio
Specification code
Edge diameter
Table 2-2
0.30--0.50
0.15～0.30 or
0.24~1 .00
0.50~1.20 or
0.80~2.00
1.00~4.00 or
2.50~10.0
After extrusion
Table 3-1
120/25
Aspect ratio
JB/T5814.591
Basic parameters of SP series extruder
Specifications of traction device
630 or 630 or||tt| |Paying-off device
250/400
250/500
630/1250
Basic parameters of SL series extruder
After extrusion
Wire inlet diameter
1.00~10.00
6.00~32.00
Table 3—2
Main parameters
65/25+120/20—90/20
65/25+150 /2090/25
Screw aspect ratio
Wire take-up device
315/400
400/630
800/1600
W type (trial)
Traction device specifications
Basic parameters of SL series extruder
After extrusion
Wire inlet diameter
7.00~40.00
Cross-linked tube
Cross-linked tube length
Pay-off device
630/1250
Cooling device
2,3,4,5
Stock center height
2000 or
Equipment center height
Taking-up device
800/1250
1600/2500
H type (trial)
Specification of traction device
100~120
10.00~40.0070.0
2×500
2×800
1600/2500
Paying-off device
1600/2500
Taking-up device
1600/2500
1600/2800
Equipment center height
Additional instructions:
JB/T5814.591
This standard was proposed and managed by Shanghai Cable Research Institute of the Ministry of Machinery and Electronics Industry. This standard was drafted by Shanghai Electric Machinery Factory and other units. The main drafters of this standard are Shao Shangqi and Ou Xuecheng. 33
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