IPC 6 English version B24B 31/00-B24B 57/04

B24B03100-B24B05704

SECTION B– PERFORMING OPERATIONS; TRANSPORTING

B 24

GRINDING; POLISHING

B 24 B

MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING (grinding of gear teeth B 23 F, of screw threads B 23 G 1/36; by electro-erosion B 23 H; abrasive or related blasting B 24 C; tools for grinding, buffing or sharpening B 24 D; polishing compositions C 09 G 1/00; abrasives C 09 K 3/14; electrolytic etching or polishing C 25 F 3/00; grinding arrangements for use on assembled railway tracks E 01 B 31/17); DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS [2]

31/

Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work or the abrasive material is loose; Accessories therefor (abrasive blasting machines B 24 C 3/26)

31/

involving rotary barrels

31/

023

with tiltable axis [4]

31/

027

with additional oscillating movement [4]

31/

the workpieces being continuously-travelling [4]

31/

033

having several rotating or tumbling drums with parallel axes [4]

31/

037

having several rotating or tumbling drums with non-parallel axes [4]

31/

involving a container formed as a conveyer belt [4]

31/

involving oscillating or vibrating containers

31/

067

involving a bowl formed as a straight trough [4]

31/

073

involving a bowl being ring- or spiral-shaped [4]

31/

involving other means for tumbling of work [4]

31/

104

involving a rotating bowl, in which a ring zone of abrasive powder is formed by centrifugal force [4]

31/

108

involving a sectioned bowl, one part of which, e.g. its wall, is stationary and the other part of which is moved, e.g. rotated [4]

31/

112

using magnetically consolidated grinding powder, moved relatively to the workpiece under the influence of pressure [4]

31/

116

using plastically deformable grinding compound, moved relatively to the workpiece under the influence of pressure [4]

31/

Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially designed for machines covered by group B 24 B 31/00 (in general B 24 B 55/00) [4]

31/

Abrading-bodies specially designed for tumbling apparatus, e.g. abrading-balls

31/

Means for separating the workpiece from the abrasive medium at the end of operation [4]

33/

Honing machines or devices; Accessories therefor

33/

designed for working internal surfaces of revolution, e.g. of cylindrical or conical shapes

33/

designed for working external surfaces of revolution

33/

designed for working grooves, e.g. in gun barrels

33/

055

designed for working plane surfaces [4]

33/

with controlling or gauging equipment (gauging in general G 01 B; controlling in general G 05)

33/

Honing tools

33/

Accessories

35/

Machines or devices designed for superfinishing surfaces on work, i.e. by means of abrading blocks reciprocating with high frequency

37/

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/

designed for working surfaces of revolution

37/

designed for working plane surfaces

39/

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/

designed for working internal surfaces of revolution

39/

designed for working external surfaces of revolution

39/

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/

Component parts such as frames, beds, carriages, headstocks

41/

Frames; Beds; Carriages

41/

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/

Work supports, e.g. adjustable steadies

45/

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/

Drives or gearings; Equipment therefor

47/

for performing a reciprocating movement of carriages or work-tables

47/

by mechanical gearing only

47/

by liquid or gas pressure only

47/

by mechanical gearing combined with fluid systems

47/

for rotating or reciprocating working-spindles carrying grinding wheels or workpieces

47/

by mechanical gearing or electric power (B 24 B 47/16 takes precedence)

47/

by liquid or gas pressure (B 24 B 47/16 takes precedence)

47/

performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed

47/

for rotating the spindle at a speed adaptable to wear of the grinding wheel

47/

relating to feed movement

47/

Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation

47/

for compensating grinding wheel abrasion resulting from dressing [4]

47/

Accessories, e.g. stops

47/

Equipment for preventing backlash

Measuring; Indicating; Controlling

49/

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/

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/

according to the final size of the previously ground workpiece [4]

49/

involving measurement of the workpiece at the place of grinding during grinding operation [4]

49/

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/

requiring comparison of the workpiece with standard gauging plugs, rings or the like

49/

involving liquid or pneumatic means

49/

involving electrical means (B 24 B 49/02, B 24 B 49/08 take precedence)

49/

involving optical means

49/

taking regard of the temperature during grinding

49/

taking regard of the load

49/

taking regard of the presence of dressing tools

51/

Arrangements for automatic control of a series of individual steps in grinding a workpiece (if applicable to other machine tools, G 05 B takes precedence)

53/

Devices or means for dressing or conditioning abrasive surfaces (compensation for grinding wheel abrasion resulting from dressing B 24 B 47/25) [4]

53/

007

Cleaning of grinding wheels [4]

53/

013

Application of loose grinding agent as auxiliary tool during truing operation [4]

53/

of plane surfaces on abrasive tools

53/

of cylindrical or conical surfaces on abrasive tools or wheels [4]

53/

047

equipped with one or more diamonds [4]

53/

053

using a rotary dressing tool [4]

53/

of profiled abrasive wheels

53/

065

having other than straight profiles, e.g. crowned (B 24 B 53/07 takes precedence) [4]

53/

by means of forming tools having a shape complementary to that to be produced, e.g. blocks, profile rolls [4]

53/

075

for workpieces having a grooved profile, e.g. gears, splined shafts, threads, worms (B 24 B 53/07 takes precedence) [4]

53/

controlled by information means, e.g. patterns, templets, punched tapes or the like

53/

085

for workpieces having a grooved profile, e.g. gears, splined shafts, threads, worms (B 24 B 53/09 takes precedence) [4]

53/

having transfer elements formed as pantograph mechanism [4]

53/

095

Cooling or lubricating during dressing operation (cooling the grinding surfaces B 24 B 55/02) [4]

53/

of travelling flexible backings coated with abrasives; Cleaning of abrasive belts [4]

53/

Dressing tools; Holders therefor [4]

53/

Dressing tools equipped with rotary rollers or cutters; Holders therefor [4]

55/

Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition (of general applicability for machine tools B 23 Q 11/00; in general F 16 P)

55/

Equipment for cooling the grinding surfaces, including devices for feeding coolant (cooling or lubricating during dressing operation B 24 B 53/095; incorporated in grinding wheels B 24 D) [4]

55/

designed as a complete equipment for feeding or clarifying coolant [4]

55/

Protective covers for the grinding wheel

55/

specially designed for portable grinding machines [4]

55/

Dust extraction equipment on grinding or polishing machines (B 24 B 31/12 takes precedence)

55/

specially designed for belt grinding machines [4]

55/

specially designed for portable grinding machines, e.g. hand-guided [4]

55/

Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like [4]

57/

Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents (for abrasive blasting B 24 C 1/00, B 24 C 7/00) [4]

57/

for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents [4]

57/

for feeding of solid grinding, polishing or lapping agents [4]

B24B 9/00 - B24B 29/10