320ton Injection Molding Machine

Name HMW320
Screw diameter A65mm, B70mm, C75mm
Screw L/D ratio A22.6 B21 C19.6
Injection capacity in theory A1128cm3; B1308cm3; C1502cm3;
Injection weight A1026g B1190g C1367g
Injection pressure A182MP B 157MP C137MP
Injection rate A245g/s B284G/s C326g/s
Plasticizing capacity A33G/s B41g/s C49g/s
Screw speed 136rpm

Clamping force 3200kn
Moving mould plate stroke 660mm
Max. Mould height 750mm
Min. Mould height 250mm
Space beweeen tie bars 670X670mm
Hydraulic ejector force 70kn
Hrdraulic ejector stroke 160mm
Ejecto mumber 13
Pump pressure 16MPA
Motor power 30kw
Heating capacity 19.93kw
Machine dimension 7.49X1.82X 2.24m
Machine weight 12t
Equipment:
31) Double cylinder balancing injections
32) High-torque oil-motor preplasticizing
33) Five pivots minus relief angle, double toggles, machine hinge mold locking
34) Cablinet-type holder integrates the mold plate
35) Oil motor driven gear mold adjusting
36) Storage-type grease lubricating
37) Pressure and flow whole-proportion running
38) High-performance, low-noise oil pump
39) Muti-step pressure and speed adjusting
40) High-precision position linear transducer
41) Digital memory for mold group
Injection unit:
1) Four injection pressures and speeds with three additional pressrues and speeds
2) Suck back function
3) Cold start protection
4) Pre-suck back function
5) Liear displacement transducer accurately monitor inection position, providing optimum, injection accuracy and control
6) Temperature control
7) Heating states indication
Clamping unit:
1) Three clamp close and open pressures and speeds
2) Mold protection function
3) Hydraulic ejector storke controlled by transducer
4) Automatic hydraulic die-height adjustment driven by planetary gear system
5) Adjustable support under moving platen
6) Automatic high pressure toggle lubrication with low oil level alarm
7) Mechanical, electrical and hydraulic safety interlock devices
8) Linear displacement transducer controls clamping position
Other parts:
1) Independent core in/out pressure and speed
2) Hydraulic unscrewing sequence
3) Hydraulic oil high temperature alarm.
4) System pressure gauge
5) Shot counter and reset function
6) Malfunction alarm light
7) Self-diagnostic function
8) Emergency stop buttons placed both front and rear of the machine to provide easy access.