Injection system
. Nitriding alloy steel screw charging barrel
. Standard injection nozzle
. Double cylinder balance injection unit
. Mobile hopper
. Anti-cold start-up of screw
. Automatic dislodging function
. Anti flow casting function
. Multistage charging barrel PID temperature control (4-7stages)
. Automatic inspection on material molten and material injection fault
. Precision electronic meter control on material injection/molten stroke
2 . Mould locking device
. Precision electronic meter control mould locking / thimble travel
. Mould locking three plates / Mould plate & toggle adopt high rigid nodular cast iron.
. Two stages ejector forward / backward movement controlled by computer
. Mould low pressure protection function
. Hydraulic mould adjusting device
3 . Hydraulic system
. High performance proportional variable pump system
. Molten material back pressure adjusting device
. Full flow precision return oil filter
. Automatic adjustment of system pressure and flow
4 . Control system
. Input / output viewing function
. Setting function of automatic temperature retaining and heating
. Time / position / pressue, three conversion modes
. Independent adjustment on slope of each movement
. Two-sets of hydraulic core pull / un-screwing mould release
Technical Specification |
MODEL |
BST-5500 |
INJECTION UNIT |
|
A |
B |
Screw diameter |
mm |
80 |
85 |
Shot size(theoretical) |
Cm³ |
2141 |
2418 |
Shot weight |
g |
1948 |
2200 |
Injection pressure |
Mpa |
188 |
167 |
Injection rate |
g/s |
427 |
482 |
Screw L/D ratio |
L/D |
22.3 |
21 |
Screw speed |
r.p.m |
0-150 |
Clamp tonnage |
KN |
5500 |
Toggle stroke |
mm |
820 |
Mould Thickness |
mm |
350-820 |
Space between tie-bars |
mm |
810*810 |
Ejector stroke |
mm |
210 |
Ejector tonnage |
KN |
150 |
Ejector number |
Piece |
13 |
Heat power |
KW |
33 |
Max. pump pressure |
MPa |
16 |
Pump motor power |
KW |
55 |
Machine dimension |
m |
8.4*2.2*2.6 |
Machine weight |
t |
23.5 |
Oil tank capacity |
L |
1000GMN-773 |