Spindle assembly and cutting unit

• Main Author: TOHRU KUBOTA
• Format: Patent
• Language: English
• Published: 17.11.1999
• Edition: 6
• Subjects: BASIC ELECTRIC ELEMENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT; DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; MACHINE TOOLS; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; SEMICONDUCTOR DEVICES; TRANSPORTING; WORKING CEMENT, CLAY, OR STONE; WORKING STONE OR STONE-LIKE MATERIALS

Disclosed is an improved spindle assembly comprising a spindle (21) having a blade mount (24 or 29) attached to its end for mounting a cutting blade (13) thereto, and a housing (11) having the spindle air-suspended in the radial and thrust directions. The housing (11) has an anti-contamination cover (25 or 32) placed between the spindle and the spindle housing, thereby preventing debris from invading the space (27) between the spindle and the housing. Also, disclosed is a cutting unit (10 or 30) equipped with the improved spindle assembly.