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直線導(dǎo)軌的基本靜額定負(fù)荷

來源:http://www.for-safe.com.cn/ 日期:2025-02-03 發(fā)布人:

1.基本靜額定負(fù)荷

1. Basic static rated load

直線導(dǎo)軌在靜止或運(yùn)動(dòng)中若承受過大的負(fù)荷,活受有很大沖擊負(fù)荷時(shí),會(huì)導(dǎo)致接觸面和鋼珠產(chǎn)生局部的變形,當(dāng)變形量超過某一限度,將妨礙直線導(dǎo)軌運(yùn)動(dòng)的平穩(wěn)性。基本額定負(fù)荷便是容許這個(gè)的變形量的極限負(fù)荷。依照定義:負(fù)荷的方向和大小不變的狀態(tài)下,在受到應(yīng)力接觸面處,鋼珠與珠道表面的總變形量恰為鋼珠直徑萬分之一時(shí)的靜止負(fù)荷。

If a linear guide is subjected to excessive loads during static or motion, and is subjected to significant impact loads, it will cause local deformation of the contact surface and steel balls. When the deformation exceeds a certain limit, it will hinder the smoothness of the linear guide's motion. The basic rated load is the maximum load that allows for this deformation. According to the definition, in a state where the direction and magnitude of the load remain unchanged, the total deformation of the steel ball and the surface of the ball track at the stress contact surface is exactly one ten thousandth of the diameter of the steel ball under static load.

20181206042250134

2.容許靜力矩(Mo)的定義

2. Definition of allowable static moment (Mo)

當(dāng)滑塊受到應(yīng)力鋼珠到上述定義靜額定負(fù)荷時(shí),此時(shí)滑塊所承載之力矩稱為靜額定力矩,在直線導(dǎo)軌運(yùn)動(dòng)中是以(Mr)Mp

When the slider is subjected to a stress steel ball and reaches the static rated load defined above, the torque carried by the slider at this time is called the static rated torque, which is measured in (Mr) Mp during linear guide motion

My這三個(gè)方向定義:

My three directions are defined as:

3.靜系數(shù)

3. Static safety factor

當(dāng)直線導(dǎo)軌使用在慢速運(yùn)動(dòng)和作動(dòng)頻率不高的狀態(tài)下,需考慮靜系數(shù)。根據(jù)不同的使用狀況,計(jì)算靜負(fù)荷必須考慮不同的系數(shù),尤其是當(dāng)導(dǎo)軌受有沖擊性負(fù)時(shí),需要取用較大的系數(shù)。

When using linear guides in slow motion and low operating frequency, the static safety factor needs to be considered. According to different usage conditions, different safety factors must be considered when calculating static loads, especially when the guide rail is subjected to negative impact, a larger safety factor needs to be taken.

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