優(yōu)勢(shì)特點(diǎn):如果THK直線導(dǎo)軌HRW50CA工作時(shí)間過(guò)長(zhǎng),鋼球開(kāi)始磨損,作用在直線導(dǎo)軌鋼球上的預(yù)加負(fù)載開(kāi)始減弱,導(dǎo)致機(jī)床工作部件運(yùn)動(dòng)精度的降低。為了實(shí)現(xiàn)這一點(diǎn),導(dǎo)軌系統(tǒng)的溝槽形狀有多種多樣,具有代表性的有兩種,一種稱為歌德式,形狀是半圓的延伸,接觸點(diǎn)為頂點(diǎn);另一種為圓弧形,同樣能起相同的作用。
![](https://img80.jc35.com/fd9c5b6de14e75b1473230f52c03c0cffa67dcfb424eaa1e3481ab6d3ce1eb4002b0cbd1192242ff.jpg)
![](https://img78.jc35.com/fd9c5b6de14e75b1473230f52c03c0cfffb3fb1591f345219185f510ab3f34ea7c260b4437cd4947.png)
![](https://img78.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf76257013074a04fa8e70af1c557e8b96a8e912f190877b9d.jpg)
球保持器型LM滾動(dòng)導(dǎo)軌徑向型SSR型結(jié)構(gòu)與特長(zhǎng):
鋼球沿著LM軌道和LM滑塊上經(jīng)過(guò)精密研磨加工的4列滾動(dòng)面進(jìn)行滾動(dòng);通過(guò)組裝在LM滑塊上的端蓋板,使鋼球列循環(huán)運(yùn)動(dòng)。
LM滑塊采用保持板將鋼球保持住,因此即使從LM軌道中抽出LM滑塊,鋼球也不會(huì)脫落(HSR8、10和12型除外)。
為使LM滑塊上的4個(gè)作用方向(徑向、反徑向和側(cè)向)均具有相同的額定載荷,各鋼球列被設(shè)計(jì)成按接觸角45?配置,因此無(wú)論何種姿勢(shì)都可以使用。并且因能施加均等的預(yù)壓,從而既能一邊維持較低的磨擦系數(shù),又加強(qiáng)了4個(gè)方向的剛性。同時(shí),因斷面高度低,并且對(duì)LM滑塊進(jìn)行了高剛性設(shè)計(jì),從而能獲得穩(wěn)定的高精度直線運(yùn)動(dòng)。
【4方向等負(fù)荷】
為使LM滑塊上的4個(gè)作用方向(徑向、反徑向和側(cè)向)均具有相同的額定載荷,各鋼球列被設(shè)計(jì)成按接觸角45°配置,因此無(wú)論何種姿勢(shì)都可以使用,用途廣泛。
【高剛性型】
因鋼球的配置是采用具有良好平衡性的4列排列,所以能施加充分的預(yù)壓,并且容易地提升4個(gè)方向的剛性。
【自動(dòng)調(diào)心能力】
由于THK*的圓弧溝槽的正面組合(DF組合)具有自動(dòng)調(diào)心能力,即使施加預(yù)壓也能吸收安裝誤差,從而得到高精度、平滑穩(wěn)定的直線運(yùn)動(dòng)。
【出色的耐久性】
即使在預(yù)壓或偏置負(fù)荷作用之下,鋼球的差動(dòng)滑動(dòng)量也抑制在限度,實(shí)現(xiàn)了高耐磨損性和精度的長(zhǎng)期維持。
【還備有不銹鋼型】
LM滑塊、LM軌道、鋼球也可采用不銹鋼制造。
![](https://img79.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf0becd1aef775051972ab5e0a782f32d0e7d6f051da422ee4.jpg)
![](https://img79.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf7fb78342c742f315c09657c652a00f975699303ec96353e3.png)
![](https://img79.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf609a29708f9d7c2c5d21008299624d35a2554cfb608b1f78.png)
![](https://img78.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf0248b3943efe68770973bccdfd51b0bda0f691e3a58a671a.png)
![](https://img76.jc35.com/fd9c5b6de14e75b1473230f52c03c0cfacfd6a59be6557a41638358e67854ef42b091d8827741e50.png)
![](https://img76.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf5cc3d61c7ec112fafdd5cb543abbc983c9ebcb78afebc87d.jpg)
![](https://img76.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf6f45e4969ca785e496b0ccdd8354f8a7203a94e09d8d0ca5.png)
![](https://img76.jc35.com/fd9c5b6de14e75b1473230f52c03c0cff9edd57a574481a5d215a30ab01052b286c0ba6fc6d6a6b9.png)
![](https://img76.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf4592785b1768e043c4a4f45a518544bbc440c7955a9da0db.png)
![](https://img77.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf19bc552c2d7c67920d778db8f2f92715beda08d0295c1e35.png)
![](https://img77.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf59bdb8b9cb470ec11b1119edb238492f2df2347a63433275.png)
![](https://img77.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf45b0dff73cccce576f600b6a0cea2d0d1402fcf8f5219fe0.png)
![](https://img77.jc35.com/fd9c5b6de14e75b1473230f52c03c0cfb6d99c55be9d7602d7085372cd61d5cfffe60f70268402e9.png)
![](https://img77.jc35.com/fd9c5b6de14e75b1473230f52c03c0cfe9502d5493d7bf863fd537a179931409a8e18d7cb1864979.png)
![](https://img80.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf0819d27e4d80663e598a215def97987af55c1014b2b0758d.png)
![](https://img80.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf17b4d85669f93cb374e7ab249731f9afabe340c9bba1be11.png)
![](https://img80.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf6b9394ea568d07e215baf500495abd27e62c3893466606d7.png)
![](https://img80.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf948c33eae17ab712eea4aca8d91ef1a0adbb67d0a6c51936.png)
![](https://img78.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf06e642e15418fae12938505612ab0e26f48ae2689c6e7a50.png)
![](https://img78.jc35.com/fd9c5b6de14e75b1473230f52c03c0cfa6f3bffdc4ae8570762197fd2b9857d1663349c6f4642a55.png)
![](https://img79.jc35.com/fd9c5b6de14e75b1473230f52c03c0cfd294b4d622e89ecb563ef3b1a82383a5a283f8674d045133.png)
![](https://img79.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf2ea35a1b6aa8d91775435df42358fcea0c24229c04a43389.png)
![](https://img79.jc35.com/fd9c5b6de14e75b1473230f52c03c0cfc46bad3fd297c3fd5fc79ce1927e7c4d909659c0978766c4.png)
![](https://img79.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf99b599f9692a4474861f71c0a1b3e45ba73679a096135932.png)
![](https://img78.jc35.com/fd9c5b6de14e75b1473230f52c03c0cfa25c0c32a4d9d09c3628774bcb660563a3276c73e03dea98.png)
![](https://img78.jc35.com/fd9c5b6de14e75b1473230f52c03c0cfe68ca5deadbe6ce27263369c5a8b97862ba69bae8b8bb409.png)
![](https://img78.jc35.com/fd9c5b6de14e75b1473230f52c03c0cfea676c1eb8516515fcf347a86c43dab6faa44837057e4656.png)
![](https://img78.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf9a058a58e39bf20ad8893a416635dff5655f1d427b091df5.png)
![](https://img78.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf9a8023be58830899efd3de9705c5a3731e43f6c171d9d16d.png)
![](https://img76.jc35.com/fd9c5b6de14e75b1473230f52c03c0cfdb0a7babb4f4e2707ee04ba91280f98db075db1a84ef73f0.png)
![](https://img76.jc35.com/fd9c5b6de14e75b1473230f52c03c0cfeb318b61116899421efb1b4296334d287dbcdbac912c8dc4.png)
![](https://img76.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf8bfc89eb4cec542cec8f4bdabe6908fda74ded89b6c072cb.png)
![](https://img76.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf26e528cf1d67e063d3759a027ba3f4678f378d96379d93fe.png)
![](https://img78.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf313f8540fc3956629d57fe58760c1c51cc16325ea490a978.png)
![](https://img77.jc35.com/fd9c5b6de14e75b1473230f52c03c0cfb3fea2765028b0c23ce0a7eecdf931759f33d122c4e305db.png)
![](https://img77.jc35.com/fd9c5b6de14e75b1473230f52c03c0cfc7ccef6fe33abb7cf8b323f1cfd97ef8adb07d69bbb74215.png)
![](https://img77.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf42796d18deda85d91b3cf35f0ebdc3b3dcc2430a1decfd24.png)
![](https://img78.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf88769febbf8eff483a6ef1c12ced3b383de033f081e9d47e.png)
![](https://img80.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf7df1d0804179e580837700beb5e3465ecb5fd66d38d22490.png)
![](https://img80.jc35.com/fd9c5b6de14e75b1473230f52c03c0cfd5fb1635429511ed1b892bb0e580c264cf268484bd08066c.png)
![](https://img80.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf4e5a79ab7a12321fafba12a4f89066b6a6fa8ede62a6d0d5.png)
![](https://img80.jc35.com/fd9c5b6de14e75b1473230f52c03c0cfd2d62a75b2ce5555678191fca68e1ec2d1ddb86bd5ef8cec.png)
![](https://img78.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf9c908a41eed58e52461a2a97976bf0ff4b2b2a9fdba587cf.png)
![](https://img78.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf429cd513a94761e3f2da0b2ea96b465d76256742a76c0fc7.png)
![](https://img79.jc35.com/fd9c5b6de14e75b1473230f52c03c0cff02e030d9fb72e5432743a8bffc528aba3acdc066ce19b11.png)
![](https://img79.jc35.com/fd9c5b6de14e75b1473230f52c03c0cf2c24d1605fb63b8876b4fcd6e190dd07e68c59c7a31fc15c.png)
如果THK直線導(dǎo)軌HRW50CA工作時(shí)間過(guò)長(zhǎng),鋼球開(kāi)始磨損,作用在直線導(dǎo)軌鋼球上的預(yù)加負(fù)載開(kāi)始減弱,導(dǎo)致機(jī)床工作部件運(yùn)動(dòng)精度的降低。為了實(shí)現(xiàn)這一點(diǎn),導(dǎo)軌系統(tǒng)的溝槽形狀有多種多樣,具有代表性的有兩種,一種稱為歌德式,形狀是半圓的延伸,接觸點(diǎn)為頂點(diǎn);另一種為圓弧形,同樣能起相同的作用。