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Rubber plate vulcanizing machine operating procedures
Release time
Nov 30,2021
In rubber processing, the pressure machine is called a flat vulcanizing machine. The main parameters of the pressure machine are nominal tonnage, pressure plate size, working stroke and plunger diameter, which determines the area, height or thickness of the product that can be formed by the pressure machine, as well as the large forming pressure that can be achieved. According to the characteristics of the structure, tools can be divided into three types: overflow, overflow and semi-overflow, of which semi-overflow is commonly used. The processing process is divided into home materials, closed tools, exhaust, hardening, hair loss, tool cleaning, etc. The products with inserts that need to be sealed during the molding process should be placed with inserts before filling. The main control process conditions are pressure, molding temperature and the middle of the molding process. The molding method is also a very important molding method in the rubber industry. The rubber is cut or cut into simple shapes, put into a heating tool, vulcanized during the molding process, and the product is also in the heat process. Many rubber model products (such as gaskets, shock-absorbing products (such as rubber rings, rubber plates, etc.) are produced in this way.
Operating Procedures for Plate Vulcanizing Press
1. preparations:
1. Check the oil pressure flow before use. The hydraulic oil height is the 2/3 high of the Hart seat. Insufficient traffic in the process of waiting and in the process of adding. Milk should be carefully filtered before injection. Fill pure 20# hydraulic fluid in the filler hole of the lower seat. The height of the flow bit can be seen through the flow table and is generally added to the 2/3 height of the lower seat.
2. Check the lubrication between the pillar shaft and the guide frame, and add oil in the process to maintain good lubrication.
3. Turn on the power supply, move the working handle to the vertical position, close the oil return port, press the motor start button, the oil produced by the oil pump enters the oil barrel and drives the plunger to rise. After the hot plate is closed, the oil pump continues to supply oil to make When the oil pressure rises to the rated (14.5MPa), press the stop registration button to stop the machine from compressing (ie
4. Temperature adjustment of the hot plate: Place the molding tool on the hot plate. After turning off the rotating button SA1, the plate starts to heat. When the temperature of the plate reaches the preset vulcanization temperature, the plate will automatically stop heating. When the temperature is lower than the set value, the plate will automatically heat up, so that the temperature is always maintained at the set value.
5. Curing machine action control: motor start button SB2, oil pump operation, clamping pressure, oil pressure to reach the adjustment value, release 1~2 times, over the air and volatile gas, and then tighten the tool, began to automatically record the middle of the vulcanization process. The pressure drop pump motor starts to automatically compensate for the process to reach the intermediate setting of the vulcanization process.
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2. plate vulcanizing machine hydraulic system
1. Hydraulic oil must be 20# oil or 32# hydraulic oil, oil must be added after fine filtration.
2. Regularly release the oil, precipitate and filter it, and clean the oil filter in the same process.
3. All parts of the machine should be kept clean, and often add oil between the pillar shaft and the guide rail to maintain good lubrication.
4. If abnormal noise is found, please shut down immediately and check it before continuing to use it after solving the problem.
Third, the precautions in the process of using a flat vulcanizing machine.
1. The working pressure cannot exceed the rated pressure.
2. Tool to small size can not be less than the diameter of the plunger. The tool should be placed in the center of the hot plate. To adjust the working hydraulic pressure according to the size of the tool and the middle of the vulcanization process.
3. Be sure to cut off the total power supply during the shutdown.
4. During operation, the column nut should be kept tight and checked regularly for looseness.
5. During the empty car debugging process, be sure to place a 60mm thick pad in the tablet computer.
6. The host and control box must have reliable grounding.
7. Be sure to tighten every contact and check regularly for looseness.
8. Keep the electrical parts and instruments clean, and the instruments shall not collide or knock.
9. If a fault is found, the maintenance shall be stopped immediately.
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