CN207393599U - Improve the control system of extruder extrusion cylinder responsiveness - Google Patents
Improve the control system of extruder extrusion cylinder responsiveness Download PDFInfo
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- CN207393599U CN207393599U CN201721426078.5U CN201721426078U CN207393599U CN 207393599 U CN207393599 U CN 207393599U CN 201721426078 U CN201721426078 U CN 201721426078U CN 207393599 U CN207393599 U CN 207393599U
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Abstract
The control system described in the utility model for improving extrusion cylinder responsiveness, including at least guide rail, extrusion cylinder, pressure ram, the extrusion cylinder is installed on guide rail, pressure ram is socketed in extrusion cylinder, pressure ram is equipped with pressure ram control cylinder, extrusion cylinder is equipped with extrusion cylinder control cylinder, and pressure ram control cylinder control pressure ram, extrusion cylinder control cylinder control extrusion cylinder on guide rail with advance and retreat；The extrusion cylinder control cylinder has tetra- oil cylinders of a, b, c, d, and four oil cylinders are divided into two groups, and a, b oil cylinder set in diagonal is one group, and c, d oil cylinder are one group；The plunger shaft oil circuit of four oil cylinders is in parallel, and the rod end chamber oil circuit of two oil cylinders of a, b is in parallel, and the rod end chamber oil circuit of two oil cylinders of c, d is in parallel.For the utility model from the responsiveness of four action phase integrated control extrusion cylinders of extrusion cylinder, the responsiveness of extrusion cylinder can be increased to original at least 2 times or more by being increased without oil pump.
Description
Technical field：
The utility model belongs to field of metallurgical equipment, is related to extruding metal equipment hydraulic control system, specifically improves and squeezes
The control system of press extrusion cylinder responsiveness.
Background technology：
Extruding industry produces the extruder in operating at present, and most of pursuits are that performance is stable, reliable, for crowded
For pressure cylinder, locking pressurize is generally only reliably capable, for idle running speed, the speed for boosting to dwell pressure, release speed
Degree etc. there is no requirement, with the development of extrusion technique and the raising of extruder whole aircraft reliability, squeeze industry to squeezing
The production efficiency of machine proposes increasingly higher demands, and extrusion cylinder is the important moving component of extruder, improves extrusion cylinder action
Speed can significantly improve extruder production efficiency, so, improve one that extrusion cylinder responsiveness is extruder design research and development
Vital task.
The content of the invention：
In order to improve extruder production efficiency, extruder fully-automatic production ability is improved, the utility model proposes a kind of energy
Significantly improve the control system of extruder extrusion cylinder responsiveness.
The technical solution of the utility model is as follows：
Improve the control system of extrusion cylinder responsiveness, including at least guide rail, extrusion cylinder, pressure ram, the extrusion cylinder
It is installed on guide rail, pressure ram is socketed in extrusion cylinder, and pressure ram control cylinder is connected on pressure ram, is connected on extrusion cylinder
Extrusion cylinder control cylinder, and pressure ram control cylinder driving pressure ram, extrusion cylinder control cylinder driving extrusion cylinder are being led
Advance or retreat simultaneously on rail；
The extrusion cylinder control cylinder has tetra- oil cylinders of a, b, c, d, and four oil cylinders are divided into two groups, is set in diagonal
A, b oil cylinders are one group, and c, d oil cylinder set in diagonal is one group；The plunger shaft oil circuit of four oil cylinders is in parallel, and a, b two
The rod end chamber oil circuit of oil cylinder is in parallel, and the rod end chamber oil circuit of two oil cylinders of c, d is in parallel.
The oil circuit of the pressure ram control cylinder is equipped with liquid feed valve a, tapping valve a and pressure sensor a.
The plunger shaft oil circuit of described tetra- oil cylinders of a, b, c, d is equipped with lock valve a, liquid feed valve b, tapping valve b, pressure and passes
Sensor b.
It is equipped with and connects between the rod end chamber oil circuit of two oil cylinders of rod end chamber oil circuit and c, d of described two oil cylinders of a, b
Valve b；A, communicating valve a is equipped between the plunger shaft of tetra- oil cylinders of b, c, d and rod end chamber.
Proportional pressure control valve a, make-up valve a, liquid feed valve c and tapping valve are additionally provided on the oil circuit of the extrusion cylinder control cylinder
c。
The system further includes five main oil pumps of P1, P2, P3, P4, P5, and described five main oil pumps are arranged in parallel and divide thereon
P1 pump pump heads circulating valve, P2 pump pump heads circulating valve, P3 pump pump heads circulating valve, P4 pump pump head circulating valves and P5 pumps have not been correspondingly connected with
Pump head circulating valve；The outlet of five main oil pumps is simultaneously unified into oil sources P, pressure ram control cylinder and extrusion cylinder control cylinder respectively with institute
The oil sources P stated is connected；
The system further includes locking pump P6, the locking pump P6 and the locking on extrusion cylinder control cylinder plunger shaft oil circuit
Valve a is connected.
Collision block device is housed on the extrusion cylinder.
The concrete operation step that extruder extrusion cylinder responsiveness is improved using above-mentioned control system is as follows：
1) when extrusion cylinder idle running is advanced, liquid feed valve a, tapping valve a on pressure ram control cylinder plunger shaft oil circuit are opened, P1
Pump head circulating valve, P2 pump pump heads circulating valve, P3 pump pump heads circulating valve, P4 pump pump head circulating valves and P5 pump pump head circulating valves is pumped to close
It closes, five main oil pumps start, and fuel feeding gives pressure ram control cylinder together, and pressure ram actively advances；When squeezing on pressure ram top
During collision block on pressure cylinder device, make-up valve a, tapping valve c, communicating valve b are opened, and pressure ram pushes extrusion cylinder advance, i.e. pressure ram
Actively, extrusion cylinder is servo-actuated.
2) when extrusion cylinder is locked, liquid feed valve b, communicating valve b, tapping valve c are opened, and P1 pump pump heads circulating valve, P2 pump pump heads follow
Ring valve, P3 pump pump heads circulating valve, P4 pump pump head circulating valves and P5 pump pump head circulating valves are closed, and five main oil pumps start, and together
Fuel feeding gives extrusion cylinder control cylinder, after five main oil pumps boost to the 65%~75% of locking pressure, P1 pump pump head Xun Huans
Valve, P2 pump pump heads circulating valve, P3 pump pump heads circulating valve, P4 pump pump head circulating valves and P5 pump pump head circulating valves are opened, and lock valve a is opened
It opens, locking pump P6 starts, and extrusion cylinder is locked, and is delayed 195~2000 milliseconds, and liquid feed valve a, tapping valve a are opened, P1 pump pump heads
Circulating valve, P2 pump pump heads circulating valve, P3 pump pump heads circulating valve, P4 pump pump head circulating valves and P5 pump pump head circulating valves are closed, five
Main oil pump starts, and fuel feeding gives pressure ram control cylinder together, and pressure ram starts to squeeze, while pressure sensor a, pressure sensing
Device b is automatic respectively to detect pressure ram control cylinder, the pressure of extrusion cylinder control cylinder in real time, to ensure to squeeze safely.
3) during extrusion cylinder release, proportional pressure control valve a open, when unload be depressed into 50bar when, tapping valve b open, proportional pressure control valve
A and plug-in direction valve joint release, high pressure section use proportional pressure control valve a releases at a slow speed, reduce impact, low pressure stage proportional overflow
Valve a and plug-in direction valve collective effect are to realize fast pressure relief；
When extrusion cylinder idle running retreats, extrusion cylinder control cylinder has tetra- oil cylinders of a, b, c, d, and four oil cylinders are divided into two groups, are in
A, b oil cylinder that diagonal is set are one group, and c, d oil cylinder set in diagonal is another group, and oil cylinder c and oil cylinder d is actively, oil
Cylinder a and oil cylinder b are passive；At this point, liquid feed valve c, communicating valve a, tapping valve b are opened, communicating valve b is closed, and five main oil pumps are opened, and
For fuel feeding to oil cylinder c and oil cylinder d, the rod end chamber of oil cylinder a and oil cylinder b pass through communicating valve a automatic liquid supplies, oil cylinder c and oil cylinder d master
Dynamic, oil cylinder a and oil cylinder b are passive.
The utility model has the advantages that：
Advanced by the idle running of extrusion cylinder, lock pressurize, squeezed release, idle running retreats the integrated control of four action phases
System, the utility model, which is increased without oil pump, can be increased to the responsiveness of extrusion cylinder original at least 2 times or more.
Description of the drawings：
The utility model patent is described further with reference to example figure：
Fig. 1 is extruder pressure ram and extrusion cylinder schematic diagram；
Fig. 2 is the control principle drawing that extruder squeezes rod oil cylinder and extrusion cylinder oil cylinder.
Reference sign
1st, guide rail；2nd, extrusion cylinder；3rd, pressure ram；4th, pressure ram control cylinder；5th, extrusion cylinder control cylinder；4.1st, liquid feed valve
a；4.2nd, tapping valve a；4.3rd, pressure sensor a；6th, lock valve a；7th, proportional pressure control valve a；8th, pressure sensor b；9th, liquid feed valve
b；10th, communicating valve a；11st, tapping valve b；12nd, make-up valve a；13rd, liquid feed valve c；14th, communicating valve b；15th, tapping valve c；16th, P1 pumps pump
Head circulating valve a；17th, P2 pumps pump head circulating valve；18th, P3 pumps pump head circulating valve；19th, P4 pumps pump head circulating valve；20th, P5 pumps pump head
Circulating valve.
Specific embodiment：
Embodiment 1
As shown in Figure 1, the control system of extrusion cylinder responsiveness is improved, including at least guide rail 1, extrusion cylinder 2, pressure ram 3,
The extrusion cylinder 2 is installed on guide rail 1, and pressure ram 3 is socketed in extrusion cylinder 2, and pressure ram control oil is connected on pressure ram 3
Cylinder 4 is connected with extrusion cylinder control cylinder 5, and the pressure ram control cylinder 4 driving pressure ram 3, extrusion cylinder on extrusion cylinder 2
Control cylinder 5 drives extrusion cylinder 2 to advance or retreat simultaneously on guide rail 1；
The extrusion cylinder control cylinder 5 has tetra- oil cylinders of a, b, c, d, and four oil cylinders are divided into two groups, are set in diagonal
A, b oil cylinder for one group, c, d oil cylinder set in diagonal is one group；The plunger shaft oil circuit of four oil cylinders is in parallel, and a, b two
The rod end chamber oil circuit of a oil cylinder is in parallel, and the rod end chamber oil circuit of two oil cylinders of c, d is in parallel.
Extrusion cylinder be mainly free Cheng Qian into, locking pressurize, has squeezed release, idle running retreat four act, the utility model
Set about improving specifically including for extrusion cylinder responsiveness in terms of this is four：
1) when extrusion cylinder idle running is advanced, pressure ram 3 pushes pressure cylinder 2, i.e., actively, extrusion cylinder 2 is passive, system for pressure ram 3
All supply pressure ram 3, pressure ram 3 drive extrusion cylinder 2 to advance together to flow；Because control pressure ram movement side cylinder area and
The area of extrusion cylinder locking cylinder is of substantially equal, so the speed of extrusion cylinder 2 can be increased to original twice；
2) when extrusion cylinder is locked, locking pressurize of the system equipped with small flow pumps, and traditional control is that extrusion cylinder advances in place,
Locking pump starts to lock, and when locking pressure is to setting value, extruder starts to squeeze, and locking pump discharge is smaller, presses through above
The journey time is longer；In the invention, extrusion cylinder 2 advances after closure in place, and locking pressure (being preset in program) is boosted to using main pump
70% after locking pump P6 boostings provisioned in reusing system, extrusion cylinder 2 is locked at this time, and pressure ram 3 starts to squeeze；
In extrusion process, the linkage relationship of extruding force and coupling mechanism force is equipped in program, it is ensured that safety squeezes, and the flow of main pump is usually to lock
10~15 times tightly pumped, therefore the extrusion cylinder locking pressure rate of rise is increased to original 7~10 times；
3) during extrusion cylinder release, unloading technology is mainly combined using proportional pressure control valve and plug-in direction valve, high pressure section is slow
Fast release reduces impact, and low pressure stage fast pressure relief shortens the time, and compared to proportional pressure control valve is used merely, the release time foreshortens to one
Half；
4) when extrusion cylinder idle running retreats, four oil cylinders of extrusion cylinder control cylinder 5 are divided into two groups of (two oil of diagonal each other
Cylinder is one group), actively, a group oil cylinder is passive for a group oil cylinder, and the flow of system all supplies actuating cylinder group, and passive oil cylinder group is only
Need fluid infusion, thus the speed of extrusion cylinder be four cylinders all active when twice.
Embodiment 2
On the basis of embodiment 1, as shown in Fig. 2, the plunger shaft oil circuit of the pressure ram control cylinder 4 is equipped with feed liquor
Valve a4.1, tapping valve a4.2, pressure sensor a4.3；Described tetra- oil cylinder piston chamber oil circuits of a, b, c, d are in parallel, and four oil
The plunger shaft oil circuit of cylinder is equipped with lock valve a6, liquid feed valve b9, tapping valve b11, pressure sensor b8；A, the work of two oil cylinders of b
Stopper rod chamber oil circuit is in parallel, and the rod end chamber oil circuit of two oil cylinders of c, d is in parallel, the rod end chamber oil circuit and c, d two of two oil cylinders of a, b
Communicating valve b14 is equipped between the rod end chamber oil circuit of a oil cylinder；A, it is equipped between the plunger shaft of tetra- oil cylinders of b, c, d and rod end chamber
Communicating valve a10.
The system further includes five main oil pumps of P1, P2, P3, P4, P5, and described five main oil pumps are arranged in parallel and divide thereon
P1 pump pump heads circulating valve 16, P2 pump pump heads circulating valve 17, P3 pump pump heads circulating valve 18, P4 pump pump head circulating valves have not been correspondingly connected with
19 and P5 pump pump heads circulating valve 20；The outlet of five main oil pumps is simultaneously unified into oil sources P, pressure ram control cylinder 4 and extrusion cylinder control
Oil cylinder 5 is connected respectively with the oil sources P.
When oil sources P coming oils, P1 pump pump heads circulating valve 16, P2 pump pump heads circulating valve 17, P3 pump pump heads circulating valve 18, P4 pump pumps
Head circulating valve 19 and P5 pump pump heads circulating valve 20 are closed, liquid feed valve a4.1, drain on 4 plunger shaft oil circuit of pressure ram control cylinder
Valve a4.2 is opened, and oil sources P fuel feeding actively advances to pressure ram control cylinder 4, pressure ram 3, and extrusion cylinder 2 is servo-actuated, the flow of system
The speed of all supply pressure rams 3, cylinder and bar is increased to original 2 times.
When oil sources P coming oils, P1 pump pump heads circulating valve 16, P2 pump pump heads circulating valve 17, P3 pump pump heads circulating valve 18, P4 pump pumps
Head circulating valve 19 and P5 pump pump heads circulating valve 20 are closed, and liquid feed valve b9, communicating valve b14, tapping valve c15 are opened, and oil sources P fuel feeding is given
Extrusion cylinder control cylinder 5, after five main oil pumps boost to the 65%~70% of locking pressure, P1 pump pump heads circulating valve 16,
P2 pump pump heads circulating valve 17, P3 pump pump heads circulating valve 18, P4 pump pump heads circulating valve 19 and P5 pump pump heads circulating valve 20 are opened and (pumped empty
Carry Xun Huan), extrusion cylinder 2 is locked, and is delayed 195~200 milliseconds, and liquid feed valve a4.1, tapping valve a4.2 are opened, and P1 pump pump heads follow
Ring valve 16, P2 pump pump heads circulating valve 17, P3 pump pump heads circulating valve 18, P4 pump pump heads circulating valve 19 and P5 pump pump heads circulating valve 20,
Oil sources P fuel feeding starts to squeeze to pressure ram control cylinder 4, pressure ram 3.
The system further includes locking pump P621, and wherein five main oil pumps of P1, P2, P3, P4, P5 are system main pump, and P6 is crowded
Pressure cylinder locking pump, locking pump P6 is independent, directly connects extrusion cylinder master cylinder lock valve a, control extrusion cylinder locking, extruder extrusion cylinder
Upper that collision block device is housed, when extrusion cylinder idle running is advanced, pressure ram pushes extrusion cylinder by the collision block device and advances；Extrusion cylinder idle running
During retrogressing, extrusion cylinder pushes pressure ram by the collision block device and retreats.
Embodiment 3
On the basis of above-described embodiment, the specific behaviour of extruder extrusion cylinder responsiveness is improved using above-mentioned control system
It is as follows to make step：
1) when the extrusion cylinder idle running described in is advanced, liquid feed valve a4.1, drain on 4 plunger shaft oil circuit of pressure ram control cylinder
Valve a4.2 is opened, P1 pump pump heads circulating valve 16, P2 pump pump heads circulating valve 17, P3 pump pump heads circulating valve 18, P4 pump pump head circulating valves
19 and P5 pump pump heads circulating valve 20 is closed, and five main oil pumps start, and fuel feeding is led to pressure ram control cylinder 4, pressure ram 3 together
It is dynamic to advance；When the collision block on 2 device of extrusion cylinder has been gone up on the top of pressure ram 3, make-up valve a12, the tapping valve of extrusion cylinder control cylinder 5
C15, communicating valve b14 are opened, and pressure ram 3 pushes extrusion cylinder 2 and advances, i.e., actively, extrusion cylinder 2 is servo-actuated, the flow of system for pressure ram 3
The speed of all supply pressure rams 3, cylinder and bar is increased to original 2 times；
2) when the extrusion cylinder described in is locked, liquid feed valve b9, communicating valve b14, tapping valve c15 are opened, P1 pump pump head circulating valves
16th, P2 pumps pump head circulating valve 17, P3 pump pump heads circulating valve 18, P4 pump pump heads circulating valve 19 and P5 pump pump heads circulating valve 20 and closes,
Five main oil pumps start, and together fuel feeding to extrusion cylinder control cylinder 5, when five main oil pumps boost to locking pressure 70% it
Afterwards, P1 pumps pump head circulating valve 16, P2 pump pump heads circulating valve 17, P3 pump pump heads circulating valve 18, P4 pump pump heads circulating valve 19 and P5 pumps
Pump head circulating valve 20 is opened (pump idle cycle), and 5 lock valve a6 of extrusion cylinder control cylinder is opened, and locking pump P6 starts, extrusion cylinder 2
It is locked, is delayed 200 milliseconds or so, liquid feed valve a4.1, tapping valve a4.2 are opened, P1 pump pump heads circulating valve 16, P2 pump pump heads
Circulating valve 17, P3 pump pump heads circulating valve 18, P4 pump pump heads circulating valve 19 and P5 pump pump heads circulating valve 20 are closed, and five main oil pumps open
It is dynamic, and fuel feeding starts to squeeze to pressure ram control cylinder 4, pressure ram 3 together, 4 pressure sensor a4.3 of pressure ram control cylinder,
5 pressure sensor b8 of extrusion cylinder control cylinder detects respective pressure in real time automatically, to ensure to squeeze safely.P1、P2、P3、P4、
The total flow of five main oil pumps of P5 is usually lock pump discharge 10~15 times, therefore the extrusion cylinder locking pressure rate of rise improves
To original 7~10 times.
3) when the extrusion cylinder described in starts release, proportional pressure control valve a7 open, when unload be depressed into 50bar when, tapping valve b11 is opened
It opens, proportional pressure control valve a7 and plug-in direction valve joint release, release reduces impact, the contracting of low pressure stage fast pressure relief to high pressure section at a slow speed
Short time, compared to proportional pressure control valve a is used merely, the release time foreshortens to half.
4) when the extrusion cylinder idle running described in retreats, four oil cylinders of extrusion cylinder control cylinder 5 are divided into two groups, are set in diagonal
The oil cylinder a and oil cylinder b put is one group, and the oil cylinder c and oil cylinder d set in diagonal is another group, and oil cylinder c and oil cylinder d is actively,
Oil cylinder a and oil cylinder b are passive；When i.e. extrusion cylinder idle running retreats, liquid feed valve c13, communicating valve a10, tapping valve b11 are opened, communicating valve
B14 is closed, and five main oil pumps are opened, and fuel feeding, to oil cylinder c and oil cylinder d, the rod end chamber of oil cylinder a and oil cylinder b pass through communicating valve
Actively, oil cylinder a and oil cylinder b are passive, and the speed of extrusion cylinder is four cylinder all active movements by a10 automatic liquid supplies, oil cylinder c and oil cylinder d
When twice.
Claims (7)
1. improve the control system of extrusion cylinder responsiveness, it is characterised in that：Including at least guide rail (1), extrusion cylinder (2), squeeze
Bar (3), the extrusion cylinder (2) are installed on guide rail (1), and pressure ram (3) is socketed in extrusion cylinder (2), and pressure ram connects on (3)
Pressure ram control cylinder (4) is connected to, extrusion cylinder control cylinder (5), and pressure ram control oil are connected on extrusion cylinder (2)
Cylinder (4) driving pressure ram (3), extrusion cylinder control cylinder (5) driving extrusion cylinder (2) advance or retreat simultaneously on guide rail (1)；
The extrusion cylinder control cylinder (5) has tetra- oil cylinders of a, b, c, d, and four oil cylinders are divided into two groups, is set in diagonal
A, b oil cylinders are one group, and c, d oil cylinder set in diagonal is one group；The plunger shaft oil circuit of four oil cylinders is in parallel, and a, b two
The rod end chamber oil circuit of oil cylinder is in parallel, and the rod end chamber oil circuit of two oil cylinders of c, d is in parallel.
2. the control system of extrusion cylinder responsiveness is improved as described in claim 1, it is characterised in that：The pressure ram control
The oil circuit of liquefaction cylinder (4) is equipped with liquid feed valve a (4.1), tapping valve a (4.2) and pressure sensor a (4.3).
3. the control system of extrusion cylinder responsiveness is improved as described in claim 1, it is characterised in that：Described a, b, c, the d
The plunger shaft oil circuit of four oil cylinders is equipped with lock valve a (6), liquid feed valve b (9), tapping valve b (11), pressure sensor b (8).
4. the control system of extrusion cylinder responsiveness is improved as described in claim 1, it is characterised in that：Described a, b two
Communicating valve b (14) is equipped between the rod end chamber oil circuit of two oil cylinders of rod end chamber oil circuit and c, d of oil cylinder；A, tetra- oil of b, c, d
Communicating valve a (10) is equipped between the plunger shaft and rod end chamber of cylinder.
5. the control system of extrusion cylinder responsiveness is improved as described in claim 1, it is characterised in that：The system further includes
Five main oil pumps of P1, P2, P3, P4, P5, described five main oil pumps are arranged in parallel and have been connected respectively P1 pump pump heads thereon
Circulating valve (16), P2 pump pump head circulating valves (17), P3 pump pump head circulating valves (18), P4 pump pump head circulating valves (19) and P5 pump pump heads
Circulating valve (20)；The outlet of five main oil pumps is simultaneously unified into oil sources P, pressure ram control cylinder (4) and extrusion cylinder control cylinder (5) point
It is not connected with the oil sources P.
6. the control system of extrusion cylinder responsiveness is improved as described in claim 1, it is characterised in that：The system further includes lock
Tight pump P6 (21), locking pump P6 are connected with the lock valve a (6) on extrusion cylinder control cylinder (5) plunger shaft oil circuit.
7. the control system of extrusion cylinder responsiveness is improved as described in claim 1, it is characterised in that：The extrusion cylinder
(2) collision block device is housed on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721426078.5U CN207393599U (en) | 2017-10-31 | 2017-10-31 | Improve the control system of extruder extrusion cylinder responsiveness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721426078.5U CN207393599U (en) | 2017-10-31 | 2017-10-31 | Improve the control system of extruder extrusion cylinder responsiveness |
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| Publication Number | Publication Date |
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| CN207393599U true CN207393599U (en) | 2018-05-22 |
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ID=62327582
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721426078.5U Active CN207393599U (en) | 2017-10-31 | 2017-10-31 | Improve the control system of extruder extrusion cylinder responsiveness |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701528A (en) * | 2017-10-31 | 2018-02-16 | 中国重型机械研究院股份公司 | Improve the control method and system of extruder recipient responsiveness |
-
2017
- 2017-10-31 CN CN201721426078.5U patent/CN207393599U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701528A (en) * | 2017-10-31 | 2018-02-16 | 中国重型机械研究院股份公司 | Improve the control method and system of extruder recipient responsiveness |
| CN107701528B (en) * | 2017-10-31 | 2023-11-03 | 中国重型机械研究院股份公司 | Control method and system for improving action speed of extrusion cylinder of extruder |
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