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为了铣削如图1所示的大模数齿条,我们经过反复试验,设计制造了齿条铣削头和分度装置,在X53T立式铣床上完成了这一任务。铣削头、分度装置结构见图2。铣削头安装:将伞齿轮轴4装入铣床主轴锥孔内,用拉杆3拉紧。卸下压装在铣床主轴轴承1上的内六角螺栓。铣削头用螺栓8和7固定。刀杆16与铣床工作台纵向运动和台面的平行度,用千分表校正,允许误差在0.04毫米以下。分度装置由七个分度块43,千分表33和
In order to mill large module racks as shown in Figure 1, we have experimented with this by designing and manufacturing rack milling heads and indexing devices for the X53T vertical milling machine. Milling head, indexing device structure shown in Figure 2. Milling head installation: The bevel gear shaft 4 into the milling spindle taper, with the tension rod 3 tension. Remove the hexagon socket head cap bolt that is press-fit on the milling machine shaft bearing 1. Milling heads are fixed with bolts 8 and 7. Arbor 16 and milling machine table longitudinal movement and table parallelism, with a dial gauge correction, allowing the error of 0.04 millimeters or less. Indexing device consists of seven indexing block 43, dial indicator 33 and