CN101844317A
(zh )
2010-09-29
精密数控机床闭环伺服系统传动误差校正装置及方法
US3751996A
(en )
1973-08-14
Device for transmitting adjustable translatory movements in two axis-directions
US4825745A
(en )
1989-05-02
Electrohydraulic control system
SU411968A1
(OSRAM )
1974-01-25
US4253358A
(en )
1981-03-03
Electrohydraulic follow-up control apparatus
GB1208159A
(en )
1970-10-07
Improvements in and relating to the feed of strip material
GB1275010A
(en )
1972-05-24
Machine for shaping gears
US1776765A
(en )
1930-09-23
Feed brake for milling machines and the like
US3126472A
(en )
1964-03-24
Contour welding machine
US3528327A
(en )
1970-09-15
Machine tool with rotary cutter head and feeding mechanism therefor
US2224257A
(en )
1940-12-10
Mechanism for eliminating backlash
US2485716A
(en )
1949-10-25
Automatic template controlled machine tool
US3842697A
(en )
1974-10-22
Apparatus for turning workpieces
US2417091A
(en )
1947-03-11
Metal working machine
US3226930A
(en )
1966-01-04
Mechanism for controlling the intermittent forward movement of a workpiece support
USRE25901E
(en )
1965-11-09
Feed control for band saws
US3410167A
(en )
1968-11-12
Shears for trimming thick metal sheets or plates
US2412957A
(en )
1946-12-24
Machine tool control
US2430217A
(en )
1947-11-04
Machine for bending tubes, bars, and the like
US3047988A
(en )
1962-08-07
Feed mechanisms for grinding machines
US3321981A
(en )
1967-05-30
Adjustable-stroke slide operating mechanism
US1726377A
(en )
1929-08-27
Transmission for machine-tool supports
US3262344A
(en )
1966-07-26
Carriage speed control apparatus
US2648384A
(en )
1953-08-11
Apparatus for cutting tubing
US2737073A
(en )
1956-03-06
Tailstock actuating device