Based on the analysis of wire drawing machine working theory, the essay introduces the application of Zhishan G2 series servos on wire drawing machine and the key parameter setting.
1. Introduction
Wire drawing machine belongs to standard
parts and other metal products production pre-processing equipment. It’s used to
convert the steel to wires or rods of standard parts and other metal products and
make the diameter, roundness, internal metallurgical structure, surface
smoothness and straightness of wire or rods reach the standards and
requirements of metal production parts. Therefore, the pretreatment quality of
the wire rod or bar material of the wire drawing machine is directly related to
the product quality of standard parts and other metal production enterprises.
The wire drawing machine belongs to the metal wire drawing machine of the metal
product equipment industry, and it is widely used in production and
pre-processing of metal products such as steel wire, rope making wire, pre-stressed
steel wire and standard parts.
2. Equipment composition of wire drawing machine
The wire drawing machine is running with 2
wrapping rollers, one roller is
fixed and the other roller is driven by the motor. The winding
between the two rollers is very thin, so in order to prevent the copper wire from
being broken, it is necessary to ensure a stable output of torque when the
motor moves.
Drawing machine
3. Brief introduction of drawing machine process
Servo working principle: When the torque analog value is positive,
the motor rotates forward to generate tension. When the torque simulation
value is negative, the motor reverse roller retracts. The larger the given
torque simulation value, the greater the motor torque, and the smaller the
given torque simulation value, the smaller the motor torque. The wire
drawing machine is wound on two rollers, one roller is fixed and the other
roller is driven by the motor. Because the winding between the two rollers
is very thin, in order to prevent the copper wire from being broken, it is
necessary to ensure a stable output of torque when the motor moves.
4. Commissioning considerations
In order to ensure the reliable, stable and correct operation of the servo
drive, the following matters should be noted during the installation,
commissioning and use of the servo system:
1) Correct wiring: The encoder cable and motor power cable are standard for
Zhishan servo, but the signal cable between the servo drive and the controller
must be correctly connected during wiring, otherwise the servo will not operate
normally;
2) Set the servo control mode correctly: Since each machine application
is different, the correct setting of the servo control mode is prerequisite for
ensuring the correct operation of the servo;
3) Ensure the motor is well grounded, and the drive is connected to the
equipment chassis. On one hand to avoid interference, on the other hand to
avoid leakage.
4) The signal wire should be shielded twisted pair as much as possible. The
shielding layer is generally connected to the terminal housing;
5) Pay attention to the interference problem and avoid the interference of the
encoder signal and the control signal. Together or through a wire slot, try to
keep a certain distance.
5. Conclusions
With Zhishan Servo G2 series, the
wire drawing machine works a lot better with fast response, accurate positioning and smooth
operation. After the customer's trial, the processed products and all the
indicators have met the customer requirements. At the same time, the production
efficiency has been improved, so that the customer can achieve maximum
satisfaction. This equipment fully demonstrates the advantages of Zhishan
servo to customers, and also improves the competitiveness of wire drawing
equipment in the market.
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