通過采用滾針,可減輕突入時的碰撞、摩擦、振動,實現(xiàn)超高精度的直線運動。另外,精密滾針導柱與滾珠導柱相比,滾針可分散壓 力,從而可大幅提高導柱的使用壽命,是“ 直線運動導柱的終極形態(tài)”。
By adopting needle roller, when it enters it makes possible to reduce collision, friction, vibration and to travel with super high accuracy. Because of using needle rollers, the pressure is dispersed, so it is possible to boost guide's life greatly. Ultimate form of linear guide, this is our "Million Guide".
特點
Features
“從點接觸到線接觸”,通過采用高精度的寬幅滾針,剛性達到以往滾珠型的10倍以上。※
"Point to line contact" By adopting highly accurate wide roller, we've realized high rigidity which is over 10 times larger compared with existing ball type.
※ 本公司試驗結(jié)果: 與普通滾珠循環(huán)式花鍵軸的比較。 與普通模具用滾珠支架式導柱軸相比,差異為2倍左右。
*Our internal investigation: Comparison with a normal circular ball spline shaft.
Approximately double in rigidity compared with a normal ball retainer type guide post for die-set.
接觸面積比較
Comparison of Contact Area
精密滾針導柱接觸面積大, 實現(xiàn)了高剛性。
Million Guide realizes high rigidity for its large contact area.
采用滾珠時(滾珠型)
Ball case (Ball type)
采用滾針時(精密滾針導柱)
Roller case (Million Guide)
側(cè)壓剛性變形比較
Comparison of Lateral Pressure Deflection (Rigidity)
各尺寸基本額定動負荷C的比較
Comparison of the basic dynamic load rating C by size
通過采用高精度的寬幅滾針,在確保剛性的同時,實現(xiàn)了低預(yù)壓化。 這樣,實現(xiàn)了超低振動且平滑的滾動。
By adopting highly accurate wide roller, we can make low pre-load with high rigidity on Million guide. For this reason, we've realized super low vibration and smooth rolling.
滾針式的特點
Advantages of Roller type
滾珠循環(huán)式
Circular ball type
滾珠之間相互接觸、碰撞,從而產(chǎn)生摩擦,導致磨損、發(fā)塵、發(fā)熱。另外,循環(huán)時反復(fù)進行預(yù)壓突入、解除,是引起振動的主要原因。
Ball contact/collision makes friction, leading to wear, dust and heat emission. The pre-load off and on are repeated at the ball circulation, and it makes one of major vibration factors.
精密滾針導柱(滾針式)
Million Guide (Roller type)
滾針之間無接觸,不會發(fā)生滾動體的接觸、碰撞、摩擦。另外,由于非循環(huán)、低預(yù)壓,突入沖擊、振動小,可實現(xiàn)平滑滾動。
Rollers do not contact each other, and no contact, collision and friction occurs to rolling elements. No circulation and low pre-load structure makes less entry impact and vibration, leading to smooth rolling.
滾珠型相比 振動僅為其1/20以下
Low vibration under 1/20 compared to that of ball type.
精密滾針導柱實現(xiàn)了高剛性、低振動,具有優(yōu)異的直線運動性,尤其是重
復(fù)精度為滾珠型的3倍以上。
Million guide which has realized high rigidity and low vibration has excellent
straightness, especially Million guide's repeatablity has achieved 3 times more than that of conventional one.
X、Y方向 重復(fù)精度比較
Comparison of repeatability: X/Y directions
滾珠型振動大、剛性低,位置精度分散。而精密滾針導柱振動小,具有優(yōu)異的重復(fù)精度。
The ball type with high vibration and low rigidity has deviation in the positioning accuracy. Million guide of low vibration has excellent repeatability.
※本公司試驗結(jié)果: 與普通滾珠循環(huán)式花鍵軸的比較。
*Our internal investigation: Comparison with a normal circular ball spline shaft.
X、Y方向 直線度比較
Comparison of straightness: X/Y directions
4.
微小滾動阻力
Infinitesimal rolling resistance
由于實現(xiàn)了低預(yù)壓化,最大程度地降低了滾動阻力,20g以下也可制作?!?
?適用于需要進行微小壓力控制的用途。
By making low pre-load on Million guide, it reduces rolling resistance to the utmost limit so the sliding friction can be under 20g.*
? It is the best for applications which need infinitesimal pressurizing force control.
※某些尺寸可能不適用。*There is a limit by size.
5.
可單軸使用
Usable with Single shaft
滾針采取多平面配置,具有防止旋轉(zhuǎn)的效果。
?導柱可單軸使用??珊喕b置。
By arranging rollers in polygonal position, it can get detent effect.
? It is usable with single shaft guide so that the equipment can be simple.
為保持剛性,滾珠需突入很大的預(yù)壓 量5~12μm,會產(chǎn)生沖擊、振動,壽命短。
Higher pre-load (5-12μm) for keeping the rigidity on the ball guide brings impact/ vibration at the entry, leading to shorter product life.
精密滾針導柱
Million guide case
滾針只需微小的預(yù)壓量2~6μm,即可實 現(xiàn)高剛性,突入時沖擊小、平滑,壽命長。
Lower pre-load (2-6mm) for the roller with high rigidity brings smaller impact and smooth motion at the entry, leading to longer product life.
無法在旋轉(zhuǎn)方向進行限制,會發(fā)生旋轉(zhuǎn)。
There are no stoppers for rotation inside.
精密滾針導柱
Million guide case
滾針采用多平面形配置,不會發(fā)生旋轉(zhuǎn)。
No rotation by the needle rollers in polygonal position.
可根據(jù)客戶需求,制作特殊形狀的導套、導柱軸。
In accordance with the customer's needs, we can produce the special shape of bush and post.
可推薦適合安裝在客戶裝置上的形狀。 通過最大程度降低滾動阻力,同時實現(xiàn) 負荷控制所需的平穩(wěn)性和高剛性,提高了 精度。
We can make a proposal of the shape suitable for your equipment.
In the case of right drawing, the infinitesimal rolling resistance makes both necessary smoothness and rigidity for load control, and improved accuracy.
7.
磨削周期延長
Extension of grinding cycle
使用實例
Application examples
使用例 1
Application example 1
使用后的效果 Effects of Million guide
模具的上下模間隙在整個圓周上可保持均勻,提高了尺寸精度。另外,由于 提高了剛性,減少了上下模的崩角現(xiàn)象,可延長模具的再磨削周期。
The punching accuracy is expected to be increased by Million guide to keep the clearance between the punching and the die evenly in all directions. Also the die set regrinding cycle is expected to be extended by decreasing the chipping of the punching and the die with its higher rigidity.
使用例 2
Application example 2