Plastic Injection Moulding Machine
As the best China Plastic Injection Moulding Machine supplier,SJR Machinery Co., Ltd. provides quality Plastic Injection Moulding Machine to global clients
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  • Specifications
1250 tons

Item

unit

technical parameter

(Screw diameter)

mm

125

135

145

(Screw L/D ratio (L/D))

 

23.7

22

20.4

(Theoretical shot volume)

cm3

8095

9442

10893

( Injection weight (PS))

g

7366

8592

9912

(Injection rate)

g/s

975

1138

1312

(Plasticizing capacity (PS))

g/s

128.6

150

173

(Injection pressure)

MPa

191

163

141

(Screw speed)

r/min

0-75

(Injection stroke)

mm

660

Clamping force

kN

18000

(Space between tie bars )

mm×mm

1500×1400

(Mold thickness)

mm

600-1500

(Mold stroke)

mm

1500

(Ejector force)

kN

300

(Ejector stroke)

mm

350

(No. of ejector)

 

29

(Pump motor power)

kW

56×3

(Heater power)

kW

102.5

(Hydraulic tank capacity)

L

2330

(Out size of the machine)

m

15.4*3.5*4.5

(Weight of the machine)

t

102

Standard Features

CLAMPING UNIT


New type 5-point toggle device with the advantage of stable movement curve and gentle shock 
High-quality mould platen with enough intensity to ensure no out of shape if high-pressure clamping 
Hard chrome plated high tensile strength tie bars made of superior alloy with a good wear and corrosion resistance ability 
Wear-resistant guide for moving platen 
Transducer control clamping stroke 
Many step control for speed and pressure of clamping and opening 
Ejection device offer dwell, single, more, vibration function 
Differential high speed clamping 
Low pressure mould protection function 
Hydraulic mould height adjustment drived by gear with rough and fine operation 
Mechanical and electrical dual safety interlock 
Automatic centralized lubrication system with far pressure detector


INJECTION UNIT


nitrided screw and barrel with long service life 
Smelted screw with big L/D ratio to the result 
of high quality plasticizing and color-fixing. 
Double injection cylinder device featured compact 
construction and good equilibrant. 
Transducer control injection stroke 
The speed of low speed and large torque hydraulic 
motor can be freely adjusted. 
Screw back pressure control and nozzle anti-leakage 
control 
Movable hopper for easy remove material 
Injection carriage can be generally used with the 
function of slacking, re-feeding or fixed-feeding 
Many steps speed and pressure of injecting and 
holding are controlled by time or position or both 
Equipped with reverse device to be easily removed 
and cleaned


HYDRAULIC UNIT


proportional pressure and flow control with the advantage of fine adjustment and high precision 
know-how manifold design, compact, reasonable and fast respond
imported world famous hydraulic valves 
imported world famous hydraulic sealing rings 
import technology hydraulic hose and fittings 
low noise hydraulic system 
oil tank with inner stainless steel container 
precision oil filter 
oil cooler


CONTROL UNIT


The computer is imported from Industry family. The LCD displaying screen with high clarity has Chinese and English language to display 
World famous electrical components 
Close-loop PID temperature control with the advantage of high precision. 
Deviation preset between high and low temperature. And break control for temperature sensor. 
Alarming system in case of cold start and no material in hopper 
Transducer control the injection and opening stroke to accuracy of ±0.05mm 
99 steps speed control for increasing and reducing to suit for different technology demands 
Self-diagnostic and trouble alarm function 
Parameters lock function to avoid being changed 
100 sets of production parameters can be stored into the computer memorial software 
Machine can record the quantity of products and automatically stop if up to the required quantity. 
Emergency stop device 
Alarm lamp


Appendix #1

Name

Brand

Origin

Reversal Hydraulic Valve

VICKERS

USA

Proportional Hydraulic Valve

VICKERS

USA

Hydraulic Oil Pump

REXROTH

GERMANY

Hydraulic Motor

INTERMOT

ITALY

Hydraulic Hose

KIMBERLEY

GERMANY

Sealing Rings

VALQUA

JAPAN

Computer Control System

TECHMATION

TAIWAN

Display Screen

HITACHI

TAIWAN

Linear Transducer

GEFRAN

ITALY

Limit Switch

National

JAPAN

Proximity Switch

FORTEK

TAIWAN

Solid State Relay

FORTEK

TAIWAN

Contactor

SCHNEIDER

FRANCE

High-temperature Wire

 

JAPAN

Air-break Switch

SCHNEIDER

FRANCE

Automatic Lubrication

SANLANG

CHINA

Electricity Servo Motor

PHASE

ITALY

Servo driver

AUSTONE

TAIWAN

Appendix #2

No.

Name

Qty.

1

Operation Manual

one book

2

Heating band for Barrel

2pcs

3

Heating band for Nozzle

2pcs

4

Oil seal for Injection

1set

5

Oil seal for Clamping

1set

6

Oil seal for ejector

1set

7

Solid State Relay

2pcs

8

Fuse

1pc

9

Tool box

1set

10

Level pad

1set

11

Mould clip

1set

12

Proximity Switch

2pcs

13

Limit switch

1pc

14

Electrical plug

2pcs

15

Filter core

1pc

16

Hopper

1pc

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