EP 0339293 A3 19900829 - METHOD FOR GRINDING CAMS OF A CAMSHAFT
Title (en)
METHOD FOR GRINDING CAMS OF A CAMSHAFT
Publication
Application
Priority
DE 3814124 A 19880427
Abstract (en)
[origin: EP0339293A2] The method serves to grind cams (10) of a camshaft. The cams (10) are rotated at a predetermined angular velocity ( omega ) about a first axis (13) running through the centre of a base circle (15) of the cams (10). A grinding wheel (20) bears with a generating line (23) parallel to the first axis (13) against the cams (10). It is moved as a function of the rotary position ( phi ) of the cams (10) relative to the first axis (13) along a second axis (11) which is perpendicular to the first axis (13). This takes place in such a way that the generating line (23) travels on a predetermined cam contour (15, 16, 17) during the rotation of the cams (10), the angular velocity ( omega ) being varied during the rotation of the cams (10). In this way, the generating line (23) travels along the base circle (15) at higher angular velocity ( omega G), whereas it travels along flanks (16) and a tip (17) of the cams (10) at reduced angular velocity ( omega F). In order to reduce the remaining cam form errors without increasing the total grinding time, the angular velocity ( omega ) in the area of the tip (17) is set at a value ( omega S) above the reduced angular velocity ( omega F) but below the higher angular velocity ( omega G). <IMAGE>
IPC 1-7
IPC 8 full level
B24B 19/12 (2006.01)
CPC (source: EP)
B24B 19/12 (2013.01)
Citation (search report)
- [X] FR 2398573 A1 19790223 - NEWALL ENG [GB]
- [A] EP 0085225 A2 19830810 - LITTON INDUSTRIAL PRODUCTS [US]
- [A] DE 2712029 A1 19780921 - MITSUBISHI HEAVY IND LTD
- [A] DE 2754850 A1 19790613 - VOLKSWAGENWERK AG
Designated contracting state (EPC)
DE GB
DOCDB simple family (publication)
EP 0339293 A2 19891102; EP 0339293 A3 19900829; DE 3814124 A1 19891109; DE 3814124 C2 19920220
DOCDB simple family (application)
EP 89105739 A 19890401; DE 3814124 A 19880427