APPLICATION
机床的应用

Burnishing is a finishing process for bearing pivots and their shoulders of watch and
instrument gears. The workpiece lies with its two pivots which are to be burnished, in
profiled notches of tungsten carbide flanges and is driven by a carrier in the correct
rotational direction. By means of two rotating, lapped, tungsten carbide discs, the
machining process takes place, creating a burnished surface finish. The amount of stock
removed depends on the size of the pivot diameter is between 0.005 and 0.01 mm and
attains a surface finish of Ra 0,1 und 0,3 μm (N3, N4). When using ceramic or degussit
discs the machining method becomes a pure grinding process reaching greater stock
removal.
轴颈辗磨加工是针对手表和其它仪器仪表的各种轴类零件轴承轴颈和轴肩的最终精
密加工处理工艺。被加工轴颈被放置在一对有对应圆弧半径槽的硬质合金支撑盘上
由驱动轮系按照一定旋转方向被驱动辗磨。由于磨轮和及零件与硬质合金圆弧槽之
间的相对运动，被加工零件实际上是被拉削辗磨加工了，从而被辗磨出极高的表面
光洁度和尺寸精度。这种加工的工艺去除量在0.005-0.01毫米范围内，可以提高被加
工材料表面光洁度至Ra 0,1 - 0,3 μm (N3, N4)相当于镜面加工。但加工余量大时推荐
使用陶瓷磨轮或是红宝石磨轮效果会更好。

MACHINE AND TECHNICAL DATA
主机和技术参数

DESIGN
设计
The design of the machines is extremely stable and vibration free. The ST 119 CNC can
be ordered on a machine base or as a table mounted version.
Thanks to the CNC control 4 diameters and shoulders can be machined in one operation,
increasing the productivity enormously when compared to a conventional machine.
该机床的设计上采用极其稳定和消震结构。ST 119 CNC可以按照客户要求定制有床
身的设计和无床身可安放在工作台上使用的两种款式。
由于采用了CNC数控系统可以使轴颈和轴肩加工同步一次完成，与普通标配轴颈磨
床相比大大提高了生产效率和产量。

TECHNICAL DATA
机床的技术参数
WORKPIECE 被技工零件
Pivot Diameter 被加工零件轴颈范围 mm 0.06 – 2.00
Pivot Length (Maximum)
被加工零件轴颈最大长度
mm 4.00
Shoulder Distance (Maximum)
被加工零件轴肩最大距离
mm 25.00
Workpiece Length
被加工零件的总长度不得超过
mm 40.00
WORKIN RANGE 加工工作范围
Burnishing Disc Diameter 磨轮直径 mm 62
Speed of Burnishing Discs 磨轴转数范围 rpm 400 – 1‘000
Speed of the Workpiece
被加工零件的被驱动转数范围
rpm 200 - 500
MACHINE DIMENSIONS 机床尺寸
Length x Width x Height
长X宽X高
mm 800 x 900 x
1‘800
WEIGHT 重量
Machine 主机重量 kg 300