Maintenance and maintenance of TBI screw

Dongguan Geyang Electromechanical Equipment Co., Ltd., professional sales agent on the silver screw guide, THK/FKS/NSK/NB/TR
The electromechanical components of the CNC machine feed drive mechanism mainly include: servo motor and detection component, speed reduction mechanism, ball screw nut pair, screw bearing, moving parts (workbench, headstock, column, etc.). Here, the maintenance and maintenance of the ball screw nut pair will be explained.




(1) Adjustment of the axial clearance of the ball screw nut




In addition to the requirements for the accuracy of the feed motion in a single direction, the ball screw nut pair also has strict requirements on the axial clearance to ensure the reverse transmission accuracy. Therefore, in operation and use, it should be noted that the axial clearance caused by the wear of the screw nut pair is eliminated by the adjustment method.

The structure of this type is simple and reliable, the rigidity is good, and the application is the most extensive. The form of the gasket between the double nuts can be adjusted in advance by the professional manufacturer according to the user's requirements, and the use of the fashion unloading is very convenient.

The external thread on one nut is used to adjust the relative axial position of the two nuts by the round nut to realize the pre-tightening. After the adjustment, the other round nut is used for locking. This structure is convenient to adjust and can be adjusted at any time during use. However, the preload force cannot be accurately controlled.

Cylindrical external gears are respectively formed on the flanges of the two nuts, respectively meshing with the inner ring gears fastened at both ends of the sleeve, and the number of teeth is respectively Z1 and Z2, and one tooth is different. When adjusting, first remove the inner ring gear, let the two nuts rotate one tooth in the same direction with respect to the sleeve, and then insert the inner ring gear, then the two nuts will produce relative angular displacement.




(2) Daily inspection of sealing and lubrication of ball screw nut pair




The daily inspection of the sealing and lubrication of the ball screw nut pair is a problem we should pay attention to during operation. For the sealing of the screw nut, it is necessary to check the sealing ring and the protective cover to prevent dust and impurities from entering the ball screw nut pair. For the lubrication of the screw nut, if grease is used, it should be lubricated regularly; if lubricating oil is used, be careful to always fill the oil through the oil hole.
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Important Caution:

1. Before use the glue gun, check if the plug cord into electrical outlet properly;

2. When glue gun in first use, the heating element will have small smoke, it is normal situation, but the smoke will disappeared after 10 minutes;

3. After power, not for a long time in standby mode(not longer for 20 minutes), when the suspension of use, unplug first.

4. Avoid to use the glue gun under very hot or very cold environments.

5. Better not work under direct cold wind blowing, it will reduce efficiency and loss power

6. When in continuous using, do not press the trigger with great pressure, and try to squeeze out the un-melted glue, it would damage the glue gun

7. Not applicable for bonding heavy objects or objects needed strong adhesive

8. The quality of glue stick will directly influence the glue gun function and sticking objects quality;

9. If the power cord is damaged, do not replace it by yourself, must ask for professionals to replace it.

10. This tools must b e placed in its position when not in use. And storage before the tools complete cooled.

11. Be careful when using any other electrical appliance with flammable material.

12. Not applicable for a long time in the same place.

13. Do not use an explosive gas atmospheres.

14. Note that heat may be the line of sigh, combustible materials.

15. Do not leave equipment unattended when switched on.

16. This appliance is not intended for use by persons(including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.

17. Children should be supervised to ensure that they do not play with the appliance.


Using methods

1. Glue gun using voltage is 110-220V AC,50/60Hz;

2. Tip gun forward on stand and place a piece of cardboard under the nozzle

3. Use 7-8mm (mini trigger glue gun), 11-12(big trigger glue gun), insert glue sticks through
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4. After power, wait for 5-10 minutes to allow glue to soften

After glue softens, squeeze trigger to feed glue through glue barrel. Excessive force will damage glue gun. Put down nozzle after work, disconnect the power plug

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