Is iad scriúnna liathróid na comhpháirteanna tarchurtha is coitianta a úsáidtear in uirlisí meaisín agus innealra beachta. Is í an phríomhfheidhm atá aige ná tairiscint rothlach a thiontú ina tairiscint líneach, nó an chasmhóimint a thiontú ina fhórsa aiseach aiseach. Ag an am céanna, tá tréithe cruinneas ard, inchúlaithe agus ardéifeachtúlachta aige freisin.
Eccentricity: Tagraíonn sé don diall lár idir an taobh seasta agus an taobh tacaíochta.
Inclination: In addition to eccentricity, the installation error caused by the parallel error (up, down, left, and right) or vertical error of the screw nut mounting part between the screw shaft and the guide (LM guide, etc.).
Installation accuracy reference: Refer to the table for the reference value of the installation accuracy of the ball screw. The data in the table is for reference only. Please minimize installation errors. The installation accuracy of the motor support and coupling affects the walking and positioning accuracy of the workbench, so attention should be paid to the ball screw.
Unpacking: Be careful not to hit the nut and end thread. When disassembling the nut, you can manually rotate the nut from one end of the effective thread to the other end. Check whether the resistance is consistent and whether there is obvious bending. Be careful not to disengage the nut screw from the effective thread. Wipe off the surface anti-rust oil and apply lubricating oil.
Maintenance: When the linear speed is less than or equal to 30m/min, grease can be used for lubrication. According to the working conditions, grease should be injected every 300 to 600 working hours. It is recommended that oil lubrication be 30-60m/nóiméad, agus féadtar lubrication ceo ola éigean a mheas 60-100m/nim. Moltar scriú log a ordú agus fuarú agus lubrication éigean a ghlacadh. Coinnigh an timpeallacht oibre glan agus ná lig deannaigh agus neamhíonachtaí eile isteach sa rásbhealach nó sa chnó. Mura bhfuil an scéal go maith, smaoinigh ar chlúdach cosanta a chur leis na scriúnna.
Ball screws are usually used where precise positioning is required. The ball screw has high mechanical efficiency, low transmission torque and almost zero axial clearance, making it an important device in tool positioning and aileron drive applications. However, the resistance and heat generated by continuous operation may cause large friction and positioning errors. Increasing the design coefficient of the ball screw friction will also increase the torque, which in turn affects the positioning accuracy. When the ball is pressed between the ball screw nut and the screw shaft, the wedge effect is a potential source of friction. When rotating in the forward direction, the ball is usually pressed on the nut; on the contrary, the ball is squeezed on the screw shaft. Since the sliding friction coefficient is much larger than the rolling friction coefficient ({{0}}.1-0.3 when there is no movement, 0.001-0.003 when rolling), the wedge effect greatly increases the torque.
Ball screw drive has the following advantages:
①Éifeachtúlacht tarchurtha ard. Is é éifeachtacht tarchurtha tarchurtha scriú liathróid go ginearálta 20.92-10 faoin gcéad, agus is é 20.20 éifeachtacht tarchurtha gnáth-tarchurtha scriú sleamhnáin-0.40.
②Cruinneas tarchurtha ard, gluaiseacht cobhsaí agus gan aon feiniméan crawling. Is é an tiomáint scriú liathróid frithchuimilte rollta go bunúsach, le friotaíocht cuimilte beag, agus níl beagnach aon rud le baint ag an bhfriotaíocht frithchuimilte leis an luas gluaiseachta.
③Ag rith i bhfearas cúil gan díomhaoin. Tar éis an scriú liathróid agus an cnó a bheith níos déine, is féidir an t-imréiteach aiseach a dhíchur. Ar an mbealach seo, níl aon chrios marbh sa treo eile, agus feabhsaítear cruinneas agus rigidity an tarchurtha aiseach.
④Tá sé inchúlaithe. Toisc go bhfuil caillteanas cuimilte an scriú liathróid beag, is féidir é a thiontú ó thairiscint rothlach go tairiscint líneach, agus is féidir é a thiontú freisin ó thairiscint líneach go tairiscint rothlach. Is féidir an scriú luaidhe agus an cnó araon a úsáid mar thiomáint nó mar leantóir.
⑤Saol seirbhíse fada. Mar gheall ar an gcailliúint beag frithchuimilte rollta, tá saol na seirbhíse fada.
As a precise and labor-saving transmission mechanism, the ball screw is widely used in precision machine tools and CNC machine tools due to the above advantages.
Why not give us a linear challenge?
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