MAIN SPINDLE DEVICE

PURPOSE:To detect surely and speedy whether a tool is installed in a tapered hole of a main spindle or not before ATC action. CONSTITUTION:In a tool clamping mechanism, a draw bar 6 is pulled up by a coned disc spring 5, a pull stud 8 is held by closing collet 7, and a tool 3 is pressed into a taper...

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Hauptverfasser:	ISOZAKI YOSHIHIKO, KAWAI SUMIO
Format:	Patent
Sprache:	eng
Schlagworte:	BORING 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 MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS TRANSPORTING TURNING
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creator	ISOZAKI YOSHIHIKO KAWAI SUMIO
description	PURPOSE:To detect surely and speedy whether a tool is installed in a tapered hole of a main spindle or not before ATC action. CONSTITUTION:In a tool clamping mechanism, a draw bar 6 is pulled up by a coned disc spring 5, a pull stud 8 is held by closing collet 7, and a tool 3 is pressed into a tapered hole 10. Then, the draw bar 6 is pushed down by the piston rod 12 of a cylinder 11 and the tool 3 is released by opening the collet 7. When the tool 3 is not installed, the tool 3 is pushed forward at the stroke end of a piston rod 12 from a tapered hole 10 by a prescribed beating allowance by the draw bar 6. Then a highly accurate limit switch 20 is engaged with a dog 16 on the piston rod 12 so as to generate a tool drawing signal. When the tool 3 is installed, the piston rod 12 stops just before the stroke end.
format	Patent
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CONSTITUTION:In a tool clamping mechanism, a draw bar 6 is pulled up by a coned disc spring 5, a pull stud 8 is held by closing collet 7, and a tool 3 is pressed into a tapered hole 10. Then, the draw bar 6 is pushed down by the piston rod 12 of a cylinder 11 and the tool 3 is released by opening the collet 7. When the tool 3 is not installed, the tool 3 is pushed forward at the stroke end of a piston rod 12 from a tapered hole 10 by a prescribed beating allowance by the draw bar 6. Then a highly accurate limit switch 20 is engaged with a dog 16 on the piston rod 12 so as to generate a tool drawing signal. 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When the tool 3 is installed, the piston rod 12 stops just before the stroke end.</description><subject>BORING</subject><subject>COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT</subject><subject>DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING</subject><subject>MACHINE TOOLS</subject><subject>MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>PERFORMING OPERATIONS</subject><subject>TRANSPORTING</subject><subject>TURNING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1994</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBD2dfT0UwgO8PRz8XFVcHEN83R25WFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8V4BHgZmRoYWZgbmjsbEqAEATn8eXA</recordid><startdate>19940809</startdate><enddate>19940809</enddate><creator>ISOZAKI YOSHIHIKO</creator><creator>KAWAI SUMIO</creator><scope>EVB</scope></search><sort><creationdate>19940809</creationdate><title>MAIN SPINDLE DEVICE</title><author>ISOZAKI YOSHIHIKO ; KAWAI SUMIO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH06218607A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1994</creationdate><topic>BORING</topic><topic>COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOTDIRECTED TO A PARTICULAR RESULT</topic><topic>DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g.ARRANGEMENTS FOR COPYING OR CONTROLLING</topic><topic>MACHINE TOOLS</topic><topic>MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>PERFORMING OPERATIONS</topic><topic>TRANSPORTING</topic><topic>TURNING</topic><toplevel>online_resources</toplevel><creatorcontrib>ISOZAKI YOSHIHIKO</creatorcontrib><creatorcontrib>KAWAI SUMIO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ISOZAKI YOSHIHIKO</au><au>KAWAI SUMIO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MAIN SPINDLE DEVICE</title><date>1994-08-09</date><risdate>1994</risdate><abstract>PURPOSE:To detect surely and speedy whether a tool is installed in a tapered hole of a main spindle or not before ATC action. CONSTITUTION:In a tool clamping mechanism, a draw bar 6 is pulled up by a coned disc spring 5, a pull stud 8 is held by closing collet 7, and a tool 3 is pressed into a tapered hole 10. Then, the draw bar 6 is pushed down by the piston rod 12 of a cylinder 11 and the tool 3 is released by opening the collet 7. When the tool 3 is not installed, the tool 3 is pushed forward at the stroke end of a piston rod 12 from a tapered hole 10 by a prescribed beating allowance by the draw bar 6. Then a highly accurate limit switch 20 is engaged with a dog 16 on the piston rod 12 so as to generate a tool drawing signal. When the tool 3 is installed, the piston rod 12 stops just before the stroke end.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record>
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subjects	BORING 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 MACHINE TOOLS MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OFPARTICULAR DETAILS OR COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS TRANSPORTING TURNING
title	MAIN SPINDLE DEVICE
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