CN202453703U - Control device for determining numerical control vertical type lathe processing parameters - Google Patents
Control device for determining numerical control vertical type lathe processing parameters Download PDFInfo
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- CN202453703U CN202453703U CN2011204395238U CN201120439523U CN202453703U CN 202453703 U CN202453703 U CN 202453703U CN 2011204395238 U CN2011204395238 U CN 2011204395238U CN 201120439523 U CN201120439523 U CN 201120439523U CN 202453703 U CN202453703 U CN 202453703U
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Abstract
A control device for determining numerical control vertical type lathe processing parameters is provided. A control device comprises a crossbeam, a lathe tool feeding width motor is arranged on the crossbeam, a lathe tool feeding depth motor is arranged on a lathe tool support, a workpiece main speed change motor is arranged below the crossbeam; the workpiece main speed change motor is connected with a main speed change motor controller, the lathe tool feeding depth motor is connected with a feeding depth motor controller, the lathe tool feeding width motor is connected with a feeding width motor controller, and the main speed change motor controller, the feeding depth motor controller and the feeding width motor controller are connected with an automatic total controller and operation screen; and the automatic total controller and operation screen and the main speed change motor controller are provided with a power speed feedback control module and a main speed change motor power control module. In the device, the workpiece rotating speed is adjusted according to equipment resource capability and turning dynamic, equipment resource capability is effectively developed, and equipment workpiece damages caused by overload can be prevented. The device is simple in operation, convenient in use, and turning processing efficiency is enhanced safely and excellently.
Description
Technical field
The present invention relates to NC vertical lathe turning manufacture field, particularly a kind of control device of definite NC vertical lathe machined parameters.
Background technology
At present; The control method of the machined parameters of NC vertical lathe and control device are mainly confirmed the machined parameters (penetration of a cutting tool width, depth of cut, workpiece rotational frequency) of per pass work step by rule of thumb by technician or tradesman; Automatically control vertical lathe turning processing by numerical control device behind machined parameters (penetration of a cutting tool width, depth of cut, workpiece rotational frequency) the input numerical control programming device with the per pass work step again, carried out automatic control processing.After the machined parameters of per pass work step (penetration of a cutting tool width, depth of cut, workpiece rotational frequency) was confirmed, crudy and efficient had just been confirmed.Present this machined parameters and automatic control all are to be intended to reflection technician and workman's early stage; Not direct and lathe power is got in touch; Can not well combine with the power capability of NC vertical lathe own; The one, can not well bring into play the power capability of vertical lathe own, inefficiency; The 2nd, possibly exceed the power capability of vertical lathe own, cause equipment or workpiece to damage.
Summary of the invention
Technical matters to be solved by this invention provides a kind of control device of definite NC vertical lathe machined parameters, can realize NC vertical lathe safety and high efficiency turning processing.
For solving the problems of the technologies described above; The technical scheme that the present invention adopted is: a kind of control device of definite NC vertical lathe machined parameters; Comprise crossbeam, crossbeam is provided with the lathe tool feeding width motor that is used for the feeding of driving cars knife rest, and tool holder is provided with the lathe tool feeding depth motor that drives the lathe tool feeding; The crossbeam below is provided with the workpiece main transformer speed motor that drives worktable and Workpiece Rotating
Workpiece main transformer speed motor is connected with main transformer speed motor controller; Lathe tool feeding depth motor is connected with the feeding depth electric machine controller; Lathe tool feeding width motor is connected with feeding width electric machine controller, and main transformer speed motor controller, feeding depth electric machine controller and feeding width electric machine controller are connected with the operation screen with automatic master controller;
Automatically master controller is provided with power speed feedback control module and main transformer speed motor power control module with operating in screen and the main transformer speed motor controller.
A kind ofly use the method that above-mentioned device is confirmed the NC vertical lathe machined parameters, may further comprise the steps:
One, designing requirement confirms that penetration of a cutting tool width b, depth of cut z and workpiece main transformer speed motor rated power P use percent g according to the turning technical matters;
Two, use percent g to import automatic master controller and operation screen penetration of a cutting tool width b, depth of cut z and Workpiece Rotating workpiece main transformer speed motor rated power P, master controller and operation screen and main transformer speed motor controller are exported the highest relatively safe speed of rotation Nmax through power speed feedback control module and main transformer speed motor power control module control main transformer speed motor automatically;
Realize safety and high efficiency turning processing through above-mentioned steps.
The highest relatively safe speed of rotation Nmax is obtained by the torque force F that power uses percent g * workpiece main transformer speed motor rated power P value ÷ to drive worktable and Workpiece Rotating.
The highest relatively safe speed of rotation Nmax is after main transformer speed motor rated power P uses percent g to confirm; Along with driving worktable and Workpiece Rotating in turning startup and operation and withdrawing process, workpiece main transformer speed motor changes from motion tracking with overcoming the variation of the suffered torque force F of turning resistance; When carrying out the suffered torque force F of finish turning when low, the highest relatively safe speed of rotation Nmax improves;
When carrying out the suffered torque force F of rough turning when big, still bring into play the percentage g power of main transformer speed motor rated power P, the highest relatively safe speed of rotation Nmax compares reduction with finish turning.
Relatively the highest safe speed of rotation Nmax has higher limit and the lower limit in the turning process in the preset turning process.
When the highest relatively safe speed of rotation Nmax reached higher limit, master controller slowed down with operation screen and main transformer speed motor controller control workpiece main transformer speed motor automatically, and sends alarm signal.
When the highest relatively safe speed of rotation Nmax reached lower limit, master controller stopped with operation screen and main transformer speed motor controller control workpiece main transformer speed motor automatically, and sends alarm signal.
The control device of a kind of definite NC vertical lathe machined parameters provided by the invention is through the machined parameters (penetration of a cutting tool width, depth of cut, workpiece main transformer speed motor rated power use percent) of confirming the per pass work step.Automatic master controller is finished the turning numerical control program with the operation screen based on machined parameters three servo motor power supplies inputs and feedback is controlled, the purpose of realization NC vertical lathe high-quality and safety high efficiency processing.Because the present invention adopts workpiece main transformer speed motor rated power to use percent g as controlled variable; Thereby realized dynamically adjusting workpiece rotational frequency according to device resource ability and turning; Bring into play the device resource ability fully effectively, prevent that overload from causing equipment work-piece to damage simultaneously again.The present invention is simple to operate, and is easy to use, and safe and high quality have improved the turning working (machining) efficiency.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
Fig. 1 is the front view of frock among the present invention.
Among the figure: crossbeam 1, tool holder 2, lathe tool feeding depth motor 3, lathe tool feeding width motor 4; Feeding width electric machine controller 5, feeding depth electric machine controller 6, worktable and workpiece 7, workpiece main transformer speed motor 8; Main transformer speed motor controller 9, master controller and operation screen 10, lathe tool 11 automatically.
Embodiment
In Fig. 1; A kind of control device of definite NC vertical lathe machined parameters; Comprise crossbeam 1; Crossbeam 1 is provided with the lathe tool feeding width motor 4 that is used for 2 feedings of driving cars knife rest, and tool holder 2 is provided with the lathe tool feeding depth motor 3 that drives lathe tool 11 feedings, and crossbeam 1 below is provided with the workpiece main transformer speed motor 8 that drives worktable and workpiece 7 rotations;
Workpiece main transformer speed motor 8 is connected with main transformer speed motor controller 9; Lathe tool feeding depth motor 3 is connected with feeding depth electric machine controller 6; Lathe tool feeding width motor 4 is connected with feeding width electric machine controller 5, and main transformer speed motor controller 9, feeding depth electric machine controller 6 and feeding width electric machine controller 5 are connected with operation screen 10 with automatic master controller;
Automatically master controller is provided with power speed feedback control module and main transformer speed motor power (current/voltage) control module with operating in screen 10 and the main transformer speed motor controller 9.Be provided with in the described power speed feedback control module and measure the device that electric current, voltage and rotating speed disease feed back to automatic master controller.
A kind of application rights requires 1 described device to confirm the method for NC vertical lathe machined parameters, may further comprise the steps:
One, penetration of a cutting tool width b, depth of cut z and workpiece main transformer speed motor power P use percent g are confirmed in designing requirement according to the turning technical matters;
Two, use percent g to import automatic master controller and operation screen 10 penetration of a cutting tool width b, depth of cut z and Workpiece Rotating workpiece main transformer speed motor power P, master controller and operation screen 10 are controlled the highest relatively safe speed of rotation Nmax of main transformer speed motor output with main transformer speed motor controller 9 through power speed feedback control module and main transformer speed motor power (current/voltage) control module automatically;
Realize safety and high efficiency turning processing through above-mentioned steps.
According to formula: workpiece main transformer speed motor power P * power uses percent g=workpiece main transformer speed motor to drive worktable and workpiece and the Nmax rotating speed that overcomes the suffered torque force F of turning resistance * workpiece main transformer speed motor output
=workpiece main transformer speed motor input current I * workpiece main transformer speed motor input voltage V
The highest relatively safe speed of rotation Nmax is in turning startup and operation and withdrawing process; All the time be controlled at power through current/voltage (power) feedback with the power of importing the performance of control workpiece main transformer speed motor and use percent g * workpiece main transformer speed motor rated power P value (=workpiece main transformer speed motor input current I * workpiece main transformer speed motor input voltage V), the highest relatively safe speed of rotation Nmax under this power use fraction values situation of control is obtained by the torque force F that power uses percent g * workpiece main transformer speed motor rated power P value ÷ to drive worktable and Workpiece Rotating.
The highest relatively safe speed of rotation Nmax is after main transformer speed motor rated power P uses percent g to confirm; Along with driving worktable and Workpiece Rotating in turning startup and operation and withdrawing process, workpiece main transformer speed motor changes from motion tracking with overcoming the variation of the suffered torque force F of turning resistance; When carrying out the suffered torque force F of finish turning when low; The highest relatively safe speed of rotation Nmax then improves; The percent g power of performance main transformer speed motor rated power P attaches with the cooling and lubricating measure, realizes the turning of high-level efficiency high-quality; When carrying out the suffered torque force F of rough turning when big, still bring into play the percentage g power of main transformer speed motor rated power P, the highest relatively safe speed of rotation Nmax reduces littler than finish turning rotating speed automatically, prevents lathe frock cutter overload damage, realizes safe and efficient rate turning.
Relatively the highest safe speed of rotation Nmax has higher limit and the lower limit in the turning process in the preset turning process.
When the highest relatively safe speed of rotation Nmax reaches higher limit; Automatically master controller slows down with operation screen 10 and main transformer speed motor controller 9 control workpiece main transformer speed motors 8; And send alarm signal; Penetration of a cutting tool width b and/or depth of cut z are revised in prompting, or attach with cooling and lubricating and select the turning cutting tool measure again for use.
When the highest relatively safe speed of rotation Nmax reaches lower limit; Automatically master controller stops with operation screen 10 and main transformer speed motor controller 9 control workpiece main transformer speed motors 8; And send alarm signal; Unusual overload whether occurs in the turning of prompting inspection workpiece, or revise penetration of a cutting tool width b and/or depth of cut z.
Embodiment:
NC vertical lathe: φ 6.3M NC vertical lathe
Worktable and workpiece main transformer speed motor power: 100KW
Processing work material: Q235A material weldment
The outer 4M of workpiece profile size: φ * high 1.3M
Workpiece weight: 30 tons
Finish allowance: the monolateral 12mm of cylindrical finish allowance
Roughness requires: 3.2 μ m
Lathe tool: heavy cut high temperature resistant type lathe tool
The type of cooling: select the efficient type of cooling
Main tooling step: roughing and finishing
The turning machined parameters: according to workpiece turning requirement and lathe tool performance situation, at the roughing work step, choose penetration of a cutting tool width 10mm, depth of cut 2mm/n, Z directional run 1.4M, worktable and workpiece main transformer speed motor rated power 100KW use percent 85%; At the finishing work step, choose penetration of a cutting tool width 2mm, depth of cut 1mm/n, Z directional run 1.4M, worktable and workpiece main transformer speed motor rated power 100KW and use percent 90%; Other parameter of turning process track process is by corresponding principle design.
The highest relatively safe speed of rotation Nmax higher limit in the preset turning process: 20 rev/mins, lower limit: 5 rev/mins.
Above-mentioned parameter and turning process track are weaved into the turning program through the automatic master controller of operation screen input, automatically master controller based on the turning program in the turning tool setting and start and in operation and the withdrawing process three servo motor power supplies are imported and feedback is controlled.Bringing into play under the device resource ability situation in the turning process; Workpiece main transformer speed motor rotating speed changes from motion tracking with overcoming the variation of the suffered torque force F of turning resistance according to driving worktable and Workpiece Rotating; Export the highest relatively safe speed of rotation, and control according to preset safe speed of rotation higher limit and lower limit.
After tool setting is transferred in the school; Carry out the numerical control turning control of turning program from the clean boot point of workpiece from lathe tool; At first roughing; The crossbeam servomotor is implemented the penetration of a cutting tool width 10mm numerical control control of lathe tool, depth of cut 2mm/n numerical control control, the rotation main transformer speed motor that the servomotor on the tool holder is implemented lathe tool uses the highest relatively safe speed of rotation of output under the automatic tracking Control of percent 85% parameter at power, and roughing is accomplished on safe and efficient rate ground;
Carry out finishing by the turning program again; The crossbeam servomotor is implemented the penetration of a cutting tool width 2mm numerical control control of lathe tool, depth of cut 1mm/n numerical control control, the rotation main transformer speed motor that the servomotor on the tool holder is implemented lathe tool uses the highest relatively safe speed of rotation of output under the automatic tracking Control of percent 90% parameter at power; Attach with the cooling and lubricating measure, finishing is accomplished on high-quality and efficient rate ground;
Realize the processing of NC vertical lathe high-quality and safety high-level efficiency through above-mentioned parameter control.
Claims (1)
1. the control device of a definite NC vertical lathe machined parameters; Comprise crossbeam (1); Crossbeam (1) is provided with the lathe tool feeding width motor (4) that is used for driving cars knife rest (2) feeding; Tool holder (2) is provided with the lathe tool feeding depth motor (3) that drives lathe tool (11) feeding, and crossbeam (1) below is provided with the workpiece main transformer speed motor (8) that drives worktable and workpiece (7) rotation, it is characterized in that:
Workpiece main transformer speed motor (8) is connected with main transformer speed motor controller (9); Lathe tool feeding depth motor (3) is connected with feeding depth electric machine controller (6); Lathe tool feeding width motor (4) is connected with feeding width electric machine controller (5), and main transformer speed motor controller (9), feeding depth electric machine controller (6) and feeding width electric machine controller (5) are connected with operation screen (10) with automatic master controller;
Automatically master controller is provided with power speed feedback control module and main transformer speed motor power control module with operating in screen (10) and the main transformer speed motor controller (9).
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CN2011204395238U CN202453703U (en) | 2011-11-09 | 2011-11-09 | Control device for determining numerical control vertical type lathe processing parameters |
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CN2011204395238U CN202453703U (en) | 2011-11-09 | 2011-11-09 | Control device for determining numerical control vertical type lathe processing parameters |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102520668A (en) * | 2011-11-09 | 2012-06-27 | 宜昌江峡船用机械有限责任公司 | Control device and method for determining numerical control vertical lathe processing parameters |
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2011
- 2011-11-09 CN CN2011204395238U patent/CN202453703U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102520668A (en) * | 2011-11-09 | 2012-06-27 | 宜昌江峡船用机械有限责任公司 | Control device and method for determining numerical control vertical lathe processing parameters |
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