Multi-wire vibratory cutting method and apparatus
US4574769A · kind A · utility
Inventor
Key dates
| Filing date | Feb 15, 1985 |
| Grant date | Mar 11, 1986 |
| Priority date | — |
| Expiry date | Feb 15, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23D57/0053
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
In a multi-wire type cutting method comprising the steps of stretching and winding a continuous fine wire many times around four multi-grooved blocks disposed at the vertexes of a rectangle, bringing the lower horizontal parallel stretching lines of the wire into a pressed contact with an object which is to be processed and made of a hard and brittle material, reciprocating the contacting parts of the wire lines while applying an abrasive grain suspension to the contact parts and thus carrying out a cutting process on the object, an unused portion of the wire is gradually fed to the contact parts while a used portion of the wire is gradually moved away from this contact part during the periodical reciprocating motion of the wire lines; low frequency vibration is applied in the cutting direction either to the wire lines or to the object at the contact parts; and the amplitude of the vibration is arranged to be greater than the degree of deflection of the wire lines which takes place when the wire lines are pressed into contact with the object.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.