B
SECTION B — PERFORMING OPERATIONS
  
SHAPING
 B24
GRINDING; POLISHING
 B24B
MACHINES, DEVICES OR METHODS FOR GRINDING OR POLISHING (tools for grinding, buffing or sharpening B24D; grinding of gear teeth B23F; of screw threads B23G 1/36; by electro-erosion B23P 1/00; by electrolytic treatment C23B; grinding arrangements for use on assembled railway tracks E01B 31/17); TRUING OF GRINDING STONES; FEEDING OF GRINDING AGENTS
 B24B 1/00
Methods for grinding or working essentially requiring the use of grinding, polishing, or finishing machines or devices; Use of auxiliary equipment in connection with such methods (electrolytic grinding B23P 1/00)
 B24B 1/02
·  for cutting pieces from stock, i.e. severing (machines therefor B24B 27/06)
 B24B 1/04
·  for making holes by using pulverulent abrading substances, subjected to a bouncing action of ultrasonic frequency
 B24B 3/00
Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools (non-abrasive sharpening devices for scythes, sickles, or the like A01D 3/00; sharpening devices designed as components of machines with cutters, see the relevant classes for the machines, e.g. A01D 75/08, B26D 7/12; sharpening of saw teeth B23D 63/12; sharpening of files or rasps B23D 73/00; grinding of die-stocks or chasers B23G 1/36)
 B24B 3/02
·  of milling cutters
 B24B 3/04
·  ·  of plain milling cutters
 B24B 3/06
·  ·  of face or end milling cutters or cutter heads, e.g. of shank type
 B24B 3/08
·  ·  of profile milling cutters, e.g. of disc type
 B24B 3/10
·  ·  of routers or engraving needles
 B24B 3/12
·  ·  of hobs
 B24B 3/14
·  ·  of mortise chain cutters
 B24B 3/16
·  of broaches
 B24B 3/18
·  of taps or reamers
 B24B 3/20
·  ·  Tapering or chamfering taps or reamers
 B24B 3/22
·  ·  Relief cutting of taps or reamers
 B24B 3/24
·  of drills (by fluting the shank B24B 19/04)
 B24B 3/26
·  ·  of the point of twist drills
 B24B 3/28
·  ·  ·  by swivelling the drill around an axis angularly to the drill axis
 B24B 3/30
·  ·  ·  ·  and rotating the drill about its own axis
 B24B 3/32
·  ·  ·  for thinning the point
 B24B 3/33
·  ·  of drills for stone
 B24B 3/34
·  of turning or planing tools or tool bits, e.g. gear cutters (B24B 3/36 takes precedence)
 B24B 3/36
·  of cutting blades (B24B 3/58 takes precedence)
 B24B 3/38
·  ·  for planing wood, e.g. cutter blades
 B24B 3/40
·  ·  Processes or apparatus specially adapted for sharpening curved edges
 B24B 3/42
·  ·  helically bent, e.g. for lawn mowers
 B24B 3/44
·  ·  of sickles
 B24B 3/46
·  ·  of disc blades
 B24B 3/48
·  ·  of razor blades or razors (by an abrasive block without mechanisms B24D)
 B24B 3/50
·  ·  ·  operated manually
 B24B 3/52
·  ·  of shear blades or scissors
 B24B 3/54
·  ·  of hand or table knives
 B24B 3/55
·  of knife bars for harvesting machines
 B24B 3/56
·  of slicing bands (B24B 3/58 takes precedence)
 B24B 3/58
·  of scalloped edges
 B24B 3/60
·  of tools not covered by the preceding sub-groups
 B24B 5/00 - 
B24B 15/00
Grinding surfaces of particular forms
 B24B 5/00
Machines or devices designed for grinding surfaces of revolution on work; Accessories therefor (B24B 11/00-B24B 21/00 take precedence)
 B24B 5/02
·  involving centres or chucks for holding work
 B24B 5/04
·  ·  for grinding cylindrical surfaces externally (grinding combined cylindrical and conical surfaces B24B 5/14)
 B24B 5/06
·  ·  for grinding cylindrical surfaces internally (B24B 5/40 takes precedence)
 B24B 5/08
·  ·  ·  involving a vertical working-spindle
 B24B 5/10
·  ·  ·  involving a horizontal working-spindle
 B24B 5/12
·  ·  for grinding cylindrical surfaces both externally and internally with several grinding wheels
 B24B 5/14
·  ·  for grinding conical surfaces, e.g. of centres
 B24B 5/16
·  ·  for grinding peculiarly profiled surfaces, e.g. bulged
 B24B 5/18
·  involving centreless means for supporting, guiding, floating or rotating work (work supports with bracing means B24B 41/06)
 B24B 5/20
·  ·  involving grooved abrading blocks
 B24B 5/22
·  ·  for grinding cylindrical surfaces, e.g. on bolts
 B24B 5/24
·  ·  for grinding conical surfaces
 B24B 5/26
·  ·  for grinding peculiarly profiled surfaces, e.g. bulged
 B24B 5/28
·  ·  for grinding outer surfaces concentrically to bores, involving additional centring means
 B24B 5/30
·  ·  Regulating-wheels; Equipment therefor
 B24B 5/32
·  ·  involving indexable work-supporting means carrying several work-pieces to be operated on in succession
 B24B 5/34
·  ·  Accessories, e.g. for supporting work
 B24B 5/36
·  Single-purpose machines or devices
 B24B 5/38
·  ·  for externally grinding travelling elongated stock, e.g. wire
 B24B 5/40
·  ·  for grinding tubes internally
 B24B 5/42
·  ·  for grinding crankshafts or crankpins
 B24B 5/44
·  ·  for grinding rims of vehicle wheels, e.g. for bicycles
 B24B 5/46
·  ·  for grinding railways car wheels
 B24B 5/48
·  ·  for grinding walls of very fine holes, e.g. in drawing-dies
 B24B 5/50
·  characterised by a special design with respect to properties of the material of non-metallic articles to be ground, e.g. strings (grinding profiles in treads of tyres B29H 17/40)
 B24B 7/00
Machines or devices designed for grinding plane surfaces on work; Accessories therefor (B24B 21/00 takes precedence)
 B24B 7/02
·  involving a reciprocatingly-moved work-table or grinding wheel
 B24B 7/04
·  involving a rotary work-table
 B24B 7/06
·  involving a sequence of travelling work-tables
 B24B 7/08
·  involving a stationary work-table with an abrasive wheel built in
 B24B 7/10
·  Single-purpose machines or devices (grinding tools or machines specially designed for use on assembled railway track E01B 31/12)
 B24B 7/12
·  ·  for grinding travelling elongated stock, e.g. sheets
 B24B 7/14
·  ·  for grinding slideways, e.g. of machine tools
 B24B 7/16
·  ·  for grinding end faces, e.g. of gap gauges, gauge blocks, rollers, nuts, piston rings, coils (for bevelling B24B 9/00)
 B24B 7/18
·  ·  for grinding floorings, e.g. terrazzo, parquet (machines or devices for cleaning floorings A47L 11/00, A47L 13/00)
 B24B 7/20
·  characterised by a special design with respect to properties of the material of non-metallic articles to be ground
 B24B 7/22
·  ·  for grinding stone, ceramic, crystals, or vitrified substances, e.g. tiles
 B24B 7/24
·  ·  for grinding or polishing glass, e.g. plate-glass
 B24B 7/26
·  ·  ·  on opposite faces on continuously-travelling bands of glass
 B24B 7/28
·  ·  for grinding wood
 B24B 9/00
Machines or devices designed for grinding edges of or bevels on work; Accessories therefor (B24B 21/00 takes precedence; for sharpening cutting edges on tools B24B 3/00)
 B24B 9/02
·  characterised by a special design with respect to properties of materials specific to articles to be ground
 B24B 9/04
·  ·  of metal, e.g. skate blades
 B24B 9/06
·  ·  of stone, ceramics, or vitrified substances
 B24B 9/08
·  ·  of glass
 B24B 9/10
·  ·  ·  of plate-glass
 B24B 9/12
·  ·  ·  of hollow glassware
 B24B 9/14
·  ·  ·  of lenses; of prisms
 B24B 9/16
·  ·  of diamonds; of jewels; Diamond grinders' dops; Dop holders or tongs
 B24B 9/18
·  ·  of wood
 B24B 11/00
Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work; Accessories therefor (specially designed for optical surfaces B24B 13/00, for seat surfaces B24B 15/00)
 B24B 11/02
·  for grinding balls
 B24B 11/04
·  ·  involving grinding wheels
 B24B 11/06
·  ·  ·  acting by the front faces, e.g. of plane, grooved, or bevelled shape
 B24B 11/08
·  ·  ·  acting by the circumference
 B24B 11/10
·  ·  ·  of cup type
 B24B 13/00
Machines or devices designed for grinding optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor (for spherical surfaces in general B24B 11/00)
 B24B 13/02
·  by means of tools with abrading surfaces corresponding in shape with the lenses or other work to be made
 B24B 13/04
·  involving grinding wheels controlled by a gearing
 B24B 15/00
Machines or devices designed for grinding seat surfaces; Accessories therefor (for spherical surfaces in general B24B 11/00)
 B24B 15/02
·  in valve housings
 B24B 15/04
·  on poppets
 B24B 15/06
·  on stoppers, e.g. for bottles
 B24B 15/08
·  for grinding co-operating seat surfaces by moving one over the other
 B24B 17/00
Machines or devices for grinding controlled by patterns, magnetic tapes, or equivalent means, e.g. by copying devices (such control means per se B23Q 33/00, B23Q 35/00, G05); Accessories therefor
 B24B 17/00

Note(s)

This group is restricted to special adaptions of machines or devices controlled by patterns, etc., to grinding, the machines or devices being classified in the sub-groups according to kind of control apparatus used.

 B24B 17/02
·  involving mechanical transmission means only
 B24B 17/04
·  involving optical means
 B24B 17/06
·  ·  combined with electrical transmission means
 B24B 17/08
·  involving fluid transmission means only
 B24B 17/10
·  involving electrical transmission means only, e.g. controlled by magnetic tape
 B24B 19/00
Single purpose machines or devices for particular grinding operations not covered by any preceding main group (B24B 21/00 takes precedence; tapering, chamfering or relief cutting of taps or reamers B24B 3/20, B24B 3/22); Accessories therefor (grinding screw threads B23G 1/36)
 B24B 19/02
·  for grinding grooves, e.g. on shafts, in casings, in tubes, in gun barrels
 B24B 19/04
·  ·  for fluting drill shanks
 B24B 19/06
·  ·  for grinding races, e.g. roller races
 B24B 19/08
·  for grinding non-circular workpieces, e.g. shafts of elliptical cross-section
 B24B 19/10
·  ·  for grinding pistons
 B24B 19/11
·  ·  for grinding rings, e.g. piston rings
 B24B 19/12
·  ·  for grinding cams or camshafts
 B24B 19/14
·  for grinding turbine or impeller or wheels
 B24B 19/16
·  for grinding sharp-pointed workpieces, e.g. needles, injection needles
 B24B 19/18
·  ·  for grinding carding equipment, e.g. card-clothings (devices for sharpening card-clothings built in or attachable to carding machines D01G)
 B24B 19/20
·  for grinding dies (for grinding walls of very fine holes B24B 5/48)
 B24B 19/22
·  characterised by a special design with respect to properties of the material of non-metallic articles to be ground
 B24B 19/24
·  ·  of wood, e.g. furniture
 B24B 19/26
·  for grinding arcuate surfaces, e.g. on brake shoes, on brake linings
 B24B 21/00
Machines or devices using abrasive belts or cords, e.g. for sanding wood; Accessories therefor (for sharpening cutting edges of tools B24B 3/00; portable arrangements B24B 23/06)
 B24B 21/02
·  designed for grinding surfaces of revolution on work
 B24B 21/04
·  designed for grinding plane surfaces
 B24B 21/06
·  ·  involving members with limited contact area pressing the belt against the work, e.g. shoes sweeping across the whole area to be ground (B24B 21/12 takes precedence)
 B24B 21/08
·  ·  ·  Pressure shoes; Pressure members
 B24B 21/10
·  ·  involving a rigid member, e.g. pressure bar, table, pressing or supporting the belt over substantially its whole span
 B24B 21/12
·  ·  involving a contact wheel or roller pressing the belt against the work
 B24B 21/14
·  ·  ·  Contact wheels
 B24B 21/16
·  designed for grinding other surfaces of particular shape
 B24B 21/18
·  Accessories, e.g. for controlling the tracking of the grinding belts
 B24B 23/00
Portable grinding machines or devices; Accessories therefor; Accessories for use with hand grinding tools (B24B 7/18 takes precedence; supporting or guiding portable or suspended metal-working or like apparatus, in general B23P 17/00)
 B24B 23/02
·  with grinding wheels or discs
 B24B 23/04
·  with oscillating abrasive blocks
 B24B 23/06
·  with endless travelling abrasive belts
 B24B 23/08
·  Arrangements for securing portable grinding machines or devices or workpieces or other parts of particular section, e.g. for grinding commutators
 B24B 25/00
Grinding machines of universal type
 B24B 27/00
Other grinding machines or devices
 B24B 27/02
·  Bench grinders; Grinders with flexible shaft
 B24B 27/04
·  Grinding machines or devices in which the grinding tool is supported on a swinging arm
 B24B 27/06
·  Grinders for cutting-off
 B24B 29/00 - 
B24B 39/00
Polishing surfaces (machines or devices for grinding or polishing plate-glass B24B 7/24); Finishing surfaces (B24B 3/00 takes precedence)
 B24B 29/00 - 
B24B 39/00

Note(s)

The groups under this heading are restricted to features peculiar to the specified arts; other features are classified in the preceding groups for grinding machines or devices.

 B24B 29/00
Machines or devices designed for polishing surfaces on work by means of buffing tools, i.e. of soft and flexible material without abrasive properties; Accessories therefor
 B24B 31/00
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 B24C 3/26)
 B24B 31/02
·  involving rotary barrels
 B24B 31/04
·  ·  with tiltable axis
 B24B 31/06
·  involving oscillating or vibrating containers
 B24B 31/08
·  involving a rotating bowl in which a ring zone of abrasive powder is formed by centrifugal forces
 B24B 31/10
·  involving other means for mutual tumbling of work
 B24B 31/12
·  Accessories
 B24B 31/14
·  ·  Abrading-bodies specially designed for tumbling apparatus, e.g. abrading-balls
 B24B 33/00
Honing machines or devices using abrading blocks performing axial and rotary movements superimposed on one another; Accessories therefor
 B24B 33/02
·  designed for working internal surfaces of revolution, e.g. of cylindrical or conical shapes
 B24B 33/04
·  designed for working external surfaces of revolution
 B24B 33/05
·  designed for working grooves, e.g. in gun barrels
 B24B 33/06
·  with controlling or gauging equipment (gauging in general G01B; controlling in general G05)
 B24B 33/08
·  Honing tools for such machines or devices (abrading blocks per se B24D)
 B24B 33/10
·  Accessories
 B24B 35/00
Machines or devices designed for superfinishing surfaces on work, i.e. by means of abrading blocks reciprocating with high frequency
 B24B 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
 B24B 37/02
·  designed for working surfaces of revolution
 B24B 37/04
·  designed for working plane surfaces
 B24B 37/06
·  designed for working grooves, e.g. in gun barrels
 B24B 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 C21D 7/08, C22F 1/00); Accessories therefor
 B24B 39/02
·  designed for working internal surfaces of revolution
 B24B 39/04
·  designed for working external surfaces of revolution
 B24B 41/00 - 
B24B 47/00
Component parts of grinding machines or devices so far as specially adapted to grinding (if peculiar to a particular type of machine or device, see the relevant group therefor; if applicable to other machine tools, B23Q takes precedence)
 B24B 41/00
Component parts such as frames, beds, carriages, headstocks
 B24B 41/02
·  Frames; Beds; Carriages
 B24B 41/04
·  Headstocks; Working-spindles; Features relating thereto
 B24B 41/06
·  Work supports, e.g. adjustable steadies
 B24B 45/00
Means for securing grinding wheels on rotary arbors (suppression of vibrations in systems F16F 15/00; testing static or dynamic balancing of machines G01M 1/00)
 B24B 47/00
Drives or gearings; Equipment therefor
 B24B 47/02
·  for performing a reciprocating movement of carriages or work-tables
 B24B 47/04
·  ·  by mechanical gearing only
 B24B 47/06
·  ·  by liquid or gas pressure only
 B24B 47/08
·  ·  by mechanical gearing combined with fluid systems
 B24B 47/10
·  for rotating or reciprocating working-spindles carrying grinding wheels or workpieces (reciprocating spindle mountings B24B 47/02)
 B24B 47/12
·  ·  by mechanical gearing or electric power (B24B 47/16 takes precedence)
 B24B 47/14
·  ·  by liquid or gas pressure (B24B 47/16 takes precedence)
 B24B 47/16
·  ·  performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed
 B24B 47/18
·  ·  for rotating the spindle at a speed adaptable to wear of the grinding wheel
 B24B 47/20
·  relating essentially to feed movement
 B24B 47/22
·  Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
 B24B 47/24
·  ·  involving adjusting the position of dressing tools
 B24B 47/26
·  ·  Accessories, e.g. stops
 B24B 47/28
·  Equipment for preventing backlash
 B24B 49/00 - 
B24B 51/00
Measuring; Indicating; Controlling
 B24B 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 (B24B 33/06 takes precedence; if applicable to other machine tools B23Q 15/00, B23Q 17/00 take precedence; gauging instruments per se G01B)
 B24B 49/02
·  according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent; according to the final size of the previously-ground workpiece (B24B 49/12 takes precedence)
 B24B 49/04
·  ·  involving measurement of the workpiece
 B24B 49/06
·  ·  requiring comparison of the workpiece with standard gauging plugs, rings or the like
 B24B 49/08
·  involving liquid or pneumatic means
 B24B 49/10
·  involving electrical means (B24B 49/02, B24B 49/08 take precedence)
 B24B 49/12
·  involving optical means
 B24B 49/14
·  taking regard of the temperature during grinding
 B24B 49/16
·  taking regard of the load
 B24B 49/18
·  taking regard of the presence of dressing tools
 B24B 51/00
Arrangements for automatic control of a series of individual steps in grinding a workpiece (if applicable to other machine tools G05B takes precedence)
 B24B 53/00
Devices or means for truing or conditioning abrading surfaces
 B24B 53/02
·  of plane surfaces on abrasive tools
 B24B 53/04
·  of cylindrical or conical surfaces on abrasive tools or wheels
 B24B 53/06
·  of profiled abrasive wheels
 B24B 53/08
·  ·  controlled by a pattern or a lever mechanism or gearing
 B24B 53/10
·  of travelling flexible backings coated with abrasives
 B24B 53/12
·  Dressing tools equipped with diamonds; Holders therefor
 B24B 53/14
·  Dressing tools equipped with rotary cutters; Holders therefor
 B24B 55/00
Safety devices specially combined with or arranged in or specially designed for use in connection with grinding and polishing machines; Accessories fitted to grinding and polishing machines for keeping tools or parts of the machine in good working condition (of general applicability for machine tools B23Q 11/00; in general F16P)
 B24B 55/02
·  Equipment for cooling the grinding surfaces (incorporated in grinding wheels B24D)
 B24B 55/04
·  Protective covers for the grinding wheel
 B24B 55/06
·  Dust-extraction equipment on grinding machines
 B24B 57/00
Devices for feeding or applying grinding, polishing or lapping agents (for abrasive blasting B24C 7/00)