Single stamping machine use precautions and cleaning methods

First, the use of tablet presses

When the tablet press is in use, it will inevitably have various faults. Don't be anxious after the fault occurs. Check the status of the machine carefully, find out the cause of the fault, and analyze the cause of the fault. Find out the solution after the Zui, the following is Things to be aware of when using the tablet press:

1 Read the instructions in detail before using the machine for the first time before using it.

2 The machine can only be operated in the direction indicated on the motor cover, and can not be reversed to avoid damage to the machine. Special attention should be paid to the adjustment of the tablet, and it should not be negligent.

3 Regardless of manual or electric compression, the upper punch should be raised and then restarted before starting. If the upper punch is started in the lowered position, the start is started, and the upper punch phase head enters the middle mold pressing piece. At this time, since the rotation speed of the machine is still low, the dragging ability is poor, and the top car is prone to occur. Happening. (That is, after the head of the upper punch enters the middle die, it is "dead" due to the resistance of the tablet, so that the machine stops running. When the top car is loaded, the parts on the machine are often damaged or the motor is burned)

4 In the process of tableting, the quality of the tablets (sheet weight, hardness, surface finish, etc.) should be checked frequently and adjusted in time.

5 The material preparation process before tableting has a great influence on the tableting. For example, the formulation of materials and lubricants, fillers, binders, etc., the conditions of the granules (the condition of the powder, the tightness of the granules, the proportion of the granules, the water content, etc.) directly affect the quality of the tablets. It is often impossible to press-form and even damage the machine due to improper granulation of the ingredients. Therefore, the machine cannot be used for tableting of semi-solid, moist, particle-free fine powder. If it is found that the pressure has been adjusted to a considerable extent during use, it is still not possible to press-form, or press-formed, but it is too loose, layering, chipping, pitting, falling powder, etc., and the reason should be found from the ingredients, etc. Not large, but with a certain degree of toughness, its anti-shock and shock resistance is not bad (usually free to fall from the height of 1-1.2 meters on the ground can not break), and disintegration, friability and other performance are qualified, so do not The hardness is considered alone to avoid excessive pressure on the tablet and damage the machine.

6 When producing, press “Working State” to close the glass door production.

7 Long-term shutdown should put the machine in an unloaded state.

Second, the tablet cleaning method

After the tablet press has been used for a period of time, it is necessary to carry out the cleaning of each component. The following is a brief description of the cleaning steps:

1. Parts cleaning 1 After cleaning the metal parts such as stainless steel with water, wipe them dry and put the evaporator to dry;

2 non-metallic parts are cleaned and dried naturally;

2, daily cleaning 1 daily cleaning only need to clean the dust and particles in the main machine, the feeding machinery and mold do not need to be removed.

2 If the material produced absorbs moisture, or the material itself has a high viscosity, or the material has oxidizing, corrosive and other chemical properties, the feeding mechanism must be removed and cleaned during daily cleaning, and no material remains in the mold.

3, batch cleaning of a batch of materials production, after the end of the experiment, when the need to change the batch, the main need to be thoroughly cleaned, so as not to mix the batch.

1 Remove the feeding machinery, including the barrel, the feeding shoe combination, the PTFE sleeve, etc., and disassemble the feeding shoe and the feeding chassis, and clean them one by one;

2 Remove the upper and lower punches and the middle mold, and clean them one by one;

3 Clean the inside of the main unit, including frames, moving parts, glass doors, etc.

Only the correct cleaning of the various components of the tablet press can effectively ensure the normal operation and service life of the tablet press, improve production efficiency and reduce equipment failure.

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