Machines or devices designed for superfinishing surfaces on work, i.e. by means of abrading blocks reciprocating with high frequency
37
/
00
Lapping machines or devices, i.e. requiring pulverulent abrading substances inserted between a lap of relatively soft but rigid material and the surface to be lapped; Accessories therefor
37
/
02
•
designed for working surfaces of revolution
37
/
04
•
designed for working plane surfaces
39
/
00
Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone (modifying the physical properties or structure of metal by burnishing C 21 D 7/08, C 22 F 1/00); Accessories therefor
39
/
02
•
designed for working internal surfaces of revolution
39
/
04
•
designed for working external surfaces of revolution
39
/
06
•
designed for working plane surfaces [4]
Component parts of grinding machines or devices so far as specially adapted to grinding (if applicable to other machine tools, B 23 Q takes precedence; if peculiar to a particular type of machine or device, see the relevant group therefor)
41
/
00
Component parts such as frames, beds, carriages, headstocks
41
/
02
•
Frames; Beds; Carriages
41
/
04
•
Headstocks; Working-spindles; Features relating thereto
41
/
047
•
•
Grinding heads for working on plane surfaces [4]
41
/
053
•
•
•
for grinding or polishing glass [4]
41
/
06
•
Work supports, e.g. adjustable steadies
45
/
00
Means for securing grinding wheels on rotary arbors (suppression of vibrations in systems
F 16 F 15/00; testing static or dynamic balancing of machines G 01 M 1/00)
47
/
00
Drives or gearings; Equipment therefor
47
/
02
•
for performing a reciprocating movement of carriages or work-tables
47
/
04
•
•
by mechanical gearing only
47
/
06
•
•
by liquid or gas pressure only
47
/
08
•
•
by mechanical gearing combined with fluid systems
47
/
10
•
for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
47
/
12
•
•
by mechanical gearing or electric power (B 24 B 47/16 takes precedence)
47
/
14
•
•
by liquid or gas pressure (B 24 B 47/16 takes precedence)
47
/
16
•
•
performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed
47
/
18
•
•
for rotating the spindle at a speed adaptable to wear of the grinding wheel
47
/
20
•
relating to feed movement
47
/
22
•
Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
47
/
25
•
for compensating grinding wheel abrasion resulting from dressing [4]
47
/
26
•
Accessories, e.g. stops
47
/
28
•
Equipment for preventing backlash
Measuring; Indicating; Controlling
49
/
00
Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation (B 24 B 33/06 takes precedence; if applicable to other machine tools, B 23 Q 15/00 to B 23 Q 17/00 take precedence; gauging instruments in general G 01 B)
49
/
02
•
according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent (B 24 B 49/12 takes precedence) [4]
49
/
03
•
•
according to the final size of the previously ground workpiece [4]
49
/
04
•
•
involving measurement of the workpiece at the place of grinding during grinding operation [4]
49
/
05
•
•
•
including the measurement of a first workpiece already machined and of another workpiece being machined and to be matched with the first one [4]
49
/
06
•
•
requiring comparison of the workpiece with standard gauging plugs, rings or the like
