Laboratory equipment maintenance
(Qingdao Zhongbang Instrument Co., Ltd.)
The maintenance of equipment and equipment is one of the important tasks of the experimental personnel. Through the maintenance of equipment and equipment, the equipment and equipment are often in a good technical state. Here is an example to illustrate.
Such as lens vertex diopter measurement and maintenance: 1, the instrument is a precision optical instrument, must be meticulously maintained and maintained in order to maintain the accuracy of the instrument and prolong life; 2, before using the instrument must be the principle of the instrument, institutions, detection methods, etc. Be familiar with it before use; 3, always keep the instrument clean, if there is dust on the glass surface, dirt can be gently brushed with a loose brush, and then gently wipe with lens paper, it is strictly prohibited to touch the glass surface by hand. 4. When using the instrument, no collision is allowed. The lens parts must not be disassembled. The rotating parts must not be excessively strong. The operation must be done gently. After the instrument is used, it must be cleaned and put on the instrument cover. 5. The instrument should be placed on the instrument. Dry, air-flow room, to prevent moisture after the optical components mold fog, the instrument to avoid strong vibration or impact, to prevent damage or loose optical components, affect the measurement accuracy; 6, if any damage to the instrument or reduce the general factory repair , Do not arbitrarily disassemble, if the vertex diopter measurement handwheel zero offset, you can loosen the fixed indicator screws, and then tighten the index correcting the zero position of the screw; 7, the target division center and the eyepiece division center When offset, loosen the three target division center adjustment screws for adjustment.
Lens center instrument maintenance: 1, to keep the center instrument clean. Wipe the scale panel and window panel with a soft brush or a soft cloth. Do not wipe the panel with hard fabrics to avoid damage to the panel. 2. Add a small amount of lubricant every week at the press-fitting joint. 3. Turn off the lighting when the operation is completed. light. When the light is off, first check the fuse on the power socket, then check the light bulb. Before checking and replacing the light bulb, remove the guard ring first.
Maintenance of the molding machine: 1. Clean the chips around the cutting area of ​​the workbench board and the chips in the dust collection bucket, wipe the machine clean every day; 2. Drip 1-2 in the oiling hole in front of the top surface of the work head every week. Dripping clock oil; 3. Replace "O" belt if necessary. The method is to open the back cover behind the head and the cover on the back of the chassis to replace the "O" belt; 4, after the thousands of pieces are molded, when the cutting head and the cutting sleeve wear increase to affect the quality of the produced dies The cutting head and cutting sleeve should be replaced. The method is to open the front cover of the working head, loosen the lower set screw of the cutting sleeve, and pull the cutting sleeve, the cutting head and the hoop attached thereto from the bearing together. Replace it with a new one and replace it in the reverse order of disassembly. Fasten each part.
Maintenance of semi-automatic copying edging machine: 1. Replace the fuse: After turning off the power switch, unplug the power plug; turn the fuse cover, remove the fuse; replace the fuse with a new one; 2. Replace the cooling water: each processing 100 lenses to replace water. The milled powder is treated as incombustible; 3, cleaning the water pipe: if not using clean water, the outlet pipe is easy to be blocked, if it is blocked, it should be removed from the lens stage, and cleaned with a thin wire; 4. Repair the grinding wheel: The use time is too long or the processed lens edge is irregular because the powder slows down the grinding wheel. At this time, a modified sand bar can be used. The coarse sand bar is used to roughly grind the grinding wheel, and the hand processing key is pressed. After the grinding wheel is turned, the power switch is turned off. When the grinding wheel is still rotating, the modified sand bar, which is stained with water, is pressed on the grinding wheel. Do 5-10 times; 5, add defoamer: plastic lens processing, the water tank will produce blisters, add defoamer can make blisters reduce; 6, grinding wheel removal method: the clip stage at hand processing state - take Grinding Wheel Housing - Fix the wheel screw with a 24mm wrench - Remove the hex screw on the top with an Allen wrench - Slowly remove the grinding wheel.
When it is used up, you should clean the powder on the lens stage, otherwise it will become hard to clean. The steps are: open the waterproof cover and move it to the right, first make the right side up, turn the rotation axis out of the hole, and finally move left to remove the waterproof cover.
Maintenance of automatic lens slotting machine: 1. Drainage: There is a small drainage pipe fixed in front of the cutting wheel of the slotting machine. At the same time, a stopper is prepared to prevent accidental splashing. Please always pull this stopper so that it will not be There is too much water and cause bearing corrosion; 2, cleaning sponge: often clean the sponge, remove foreign particles, and make it fully wet before use, when the sponge is old to be replaced, it must be taken out daily rinse rinse Clean; 3, lubrication spindle: often clean the spindle with a clean cloth, usually use a white paste on the surface of the spindle to keep the head free to swing; 4, reset the cutting wheel: to re-install the cutting wheel When unplugging the power plug, insert a thin rod in the small hole in the shaft and unscrew the Phillips-head screw of the wheel.
This equipment must be maintained according to the above items in order to maintain a good state of use.
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