spindle grinding apparatus
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spindle grinding apparatus

US10286520B2 - Grinding apparatus and grinding method ...

A double-head grinding machine includes: a spindle driving portion configured to rotate a spindle to which a grinding wheel is attachable; a moving portion configured to move the spindle driving portions toward and away from a wafer; and an inclination measuring portion configured to measure a change in an inclination of the spindle in association with a movement of the spindle driving portions.

Grinding Spindles - GTI Spindle Technology

Series PS-RG Grinding Motorized Spindles Electrospindles for grinding operations with traditional grindstones or in CBN for applications on traditional machine tools or CNC. Of small sizes, they have HF motor with high performances and especially, hybrid ceramic bearings lubricated exclusively with a minimal air-oil system which guarantee a long life time. The structure and the material ...

US3473269A - Grinding apparatus - Google Patents

Grinding apparatus comprising a grinding head, a rotatable spindle attached to said head and having an axis of rotation, a tubular quill disposed concentrically about and rotatably supporting said spindle, a body movable in a direction substantially parallel to said axis, bearing means fioatingly supporting said quill on said body for movement ...

Spindle Grinding, Taper Grinding Gunn Machine Tool Co.

Spindle Inserts. Gunn Machine Tool Co. has designed a spindle taper insert to repair machine spindles, such as those found in large horizontal boring mills, when damage is more severe and cannot be repaired by grinding alone. Inserts can be made for drawbolt or pull-stud type retention systems.

FISCHER Grinding spindles - shop.fischerspindle

FISCHER grinding spindles. Electric or belt-driven, FISCHER SFJ spindles are your solution for inner- and outer-diameter grinding applications. Whether grinding extremely small holes or finishing large deep bore holes at extreme lengths, FISCHER has the reliable, high precision spindle to

US8133093B2 - Grinding apparatus having an extendable ...

A grinding machine wherein coarse and fine grind wheels are mounted to a single rotating spindle. A multiple grind wheel mount is attached to the lower portion of the rotating spindle, the coarse and fine wheels being supported by the wheel mount, the wheel mount containing the mechanism for moving the inner coarse wheel down relative to the stationary outer fine wheel.

Grinding apparatus and method - Strasbaugh

The grinding apparatus of claim 1 further comprising a work spindle disposed below the grind spindle, the work spindle comprising: a chuck; an air bearing spindle coupled to the chuck and enclosed by a housing; a non-contact sensor positioned and configured to sense displacement of the air bearing spindle with respect to a housing;

US6336849B1 - Grinding spindle - Google Patents

The invention concerns a grinding spindle, comprising a spindle housing and two coaxial shafts which are driven by a drive motor. A concentric grinding disk is fixed to each of said shafts. The shafts can be moved in an axial direction in relation to each other with a lifting or lowering movement in order to engage one grinding disk or the other.

Spindle Grinding Service, Inc. — Have Grinder, Will Travel ...

Spindle Grinding Service provides a mobile, on-site, in-plant taper grinding service. We can bring our grinding equipment to your location and grind your spindle tapers back to specifications in place in the machine, to insure greater concentricity to the bearings and thus minimum runout.

Grinding apparatus and method - Strasbaugh

The grinding apparatus of claim 1 further comprising a work spindle disposed below the grind spindle, the work spindle comprising: a chuck; an air bearing spindle coupled to the chuck and enclosed by a housing; a non-contact sensor positioned and configured to sense displacement of the air bearing spindle with respect to a housing;

Abrasive disc exchange apparatus for use in vertical ...

An abrasive disc exchange apparatus for use in a vertical spindle grinding machine includes a cover member surrounding an abrasive disc, and has an opening disposed in a radial direction of the abrasive disc for the passage of the abrasive disc therethrough.

Grinding apparatus having an extendable wheel mount ...

A grinding machine wherein coarse and fine grind wheels are mounted to a single rotating spindle. A multiple grind wheel mount is attached to the lower portion of the rotating spindle, the coarse and fine wheels being supported by the wheel mount, the wheel mount containing the mechanism for moving the inner coarse wheel down relative to the stationary outer fine wheel.

Sharda Mechanic Works

The machine has a rigid Universal Work Head, which can be swivelled to facilitate taper grinding.The drive to the work head is built for stationery and live spindle grinding. The drive to the work head is built for stationery and live spindle grinding. Work Head with Antifriction bearings and variable frequency drive offered as optional.

fuel injection nozzle spindle grinding apparatus

Fuel injection nozzle spindle grinding apparatus Crusher Unit injector nozzle valve grinder for sale manilaFuel injection nozzle spindle grinding apparatus Contact Supplier Injector Nozzle Valve Grinder For Sale Manila iron ore used washing machine Dec 11 2016 injector nozzle valve grinder for sale manila ZCRUSHER seconhand valve ...As a leading global manufacturer of crushing equipment ...

Apparatus for grinding - Patent - Europe PMC

The spindle axis runs parallel to the drive shaft and is located in front of the latter. The apparatus is extremely simple, inexpensive, compact, lightweight and very well arranged. It makes possible a variety of grinding operations.

custom surface grinding foubber spindle polishing head ...

A hand fed glass beveling apparatus comprises table means for slidably supporting a hand manipulated glass piece to be beveled under a grinding and polishing head including a spindle selectively carrying a grinding wheel or a polishing wheel and driven by a motor on a mount permitting adjustments for incremental variations in width of bevel.

Precision Grinding of Ultra-Thin Quartz Wafers

Wafer Grinding Test Bed A two axis ultra-precisio n grinding apparatus has been con-structed to serve as a test bed for wafer grinding experiments. This apparatus incorporates two linear air bearing slideways in a T-base formation. A rotary air-bearing is used as the grinding spindle. Figure 2 is a schematic of the apparatus.

Experimental study of a precision, hydrodynamic wheel ...

hydrodynamic journal bearing, wheel spindle used for submicron precision cylindrical grinding. In particular, the spindle of interest is a wheel spin-dle for a large cylindrical grinder, operated in the horizontal mode. The weight of the spindle shaft/ wheel assembly functions as the primary load. The effects of lubricant, speed, and temperature on

Tool post grinding wheel dressing apparatus The Hobby ...

Mar 16, 2020  I made this up from steel bits pieces. My idea was to have something which was preset to spindle center so it can be temporarily clamped on to lathe bed, dress the wheel then removed get back to grinding. The diamond tool is the kind bonded into the tip of a 0.375" diameter shank available at most tooling suppliers.

YTU 1000-H(NC) (400x1000) / Horizontal Spindle Surface ...

Wheel Dressing Apparatus 041110: 1,5 Grad Wheel Grinding Diamond 041111: Users Manuel 041112: Electric Circuits 041113: Sliding Covers 041114: Magnetic Cooling water Seperator 041115: Wheel Grinding Apparatus (fixed ongrinding head) 041116: Parallels Supports

Spindle (tool) - Wikipedia

In machine tools, a spindle is a rotating axis of the machine, which often has a shaft at its heart. The shaft itself is called a spindle, but also, in shop-floor practice, the word often is used metonymically to refer to the entire rotary unit, including not only the shaft itself, but its bearings and anything attached to it (chuck, etc.).. A machine tool may have several spindles, such as ...

grinding spindle - French translation – Linguee

External circular grinding machine with a circular grinding unit for alternately machining a workpiece (9; 14) that is held in a first workpiece spindle head (6) and another workpiece (10, 15) that is held in a second workpiece spindle head (7), the circular grinding unit (1) being arranged between the workpiece spindle heads (6, 7) and being displaceable along two axes (X, Y), characterised ...

US Patent for Apparatus for chamfering and/or deburring of ...

Sep 24, 2010  Gear processing machine (4), such as a gear cutting or grinding machine, wherein a chamfering and/or deburring apparatus (2) and auxiliary spindle (10) are included on the same machine. A transfer mechanism (8) loads, unloads and transfers workpieces between a machining spindle (6) and the auxiliary spindle (10) thereby enabling simultaneous cutting and chamfering and/or deburring

Individual spindle solution Hugo Reckerth GmbH

Grinding spindle with flange holder A6 for large grinding discs. An automatic weight balancing system can be implemented in the spindles. With encoder for standstill monitoring. Spindles for the profiling and alignment of grinding discs. The spindles are pressurized with sealing air as a protective measure for the ball bearings.

Machine Tools: Grinding Machinery Factory Automation ...

Koyo precision apparatus equipment such as spindle units, custom precision ball screws, and indexing chucks support ultra-fine processing so that accuracy of the highest level can be achieved. View Precision Apparatuses. Demo Machines. Koyo offers demonstration machines of select grinder models. For further details, please contact our sales ...

custom surface grinding foubber spindle polishing head ...

A hand fed glass beveling apparatus comprises table means for slidably supporting a hand manipulated glass piece to be beveled under a grinding and polishing head including a spindle selectively carrying a grinding wheel or a polishing wheel and driven by a motor on a mount permitting adjustments for incremental variations in width of bevel.

YTU 1000-H(NC) (400x1000) / Horizontal Spindle Surface ...

Wheel Dressing Apparatus 041110: 1,5 Grad Wheel Grinding Diamond 041111: Users Manuel 041112: Electric Circuits 041113: Sliding Covers 041114: Magnetic Cooling water Seperator 041115: Wheel Grinding Apparatus (fixed ongrinding head) 041116: Parallels Supports

Apparatus for grinding - Patent - Europe PMC

The spindle axis runs parallel to the drive shaft and is located in front of the latter. The apparatus is extremely simple, inexpensive, compact, lightweight and very well arranged. It makes possible a variety of grinding operations.

Precision Grinding of Ultra-Thin Quartz Wafers

Wafer Grinding Test Bed A two axis ultra-precisio n grinding apparatus has been con-structed to serve as a test bed for wafer grinding experiments. This apparatus incorporates two linear air bearing slideways in a T-base formation. A rotary air-bearing is used as the grinding spindle. Figure 2 is a schematic of the apparatus.

(PDF) Experimental Study of a Precision, Hydrodynamic ...

mental apparatus and related signal processing. Ex-perimental results are then presented regarding. how lubricant, temperature growth, and speed af- ... the spindle nose, such as the grinding ...

Chapter 17: Grinding Methods and Machines Cutting Tool ...

Jig grinding machines. Jig grinders were developed to locate and accurately grind tapered or straight holes. Jig grinders are equipped with a high-speed vertical spindle for holding and driving the grinding wheel. They utilize the same precision locating system as do jig borers. Thread grinding machines.

Spindle (tool) - Wikipedia

In machine tools, a spindle is a rotating axis of the machine, which often has a shaft at its heart. The shaft itself is called a spindle, but also, in shop-floor practice, the word often is used metonymically to refer to the entire rotary unit, including not only the shaft itself, but its bearings and anything attached to it (chuck, etc.).. A machine tool may have several spindles, such as ...

HTS CODE for : grinding machine spindle

66.208.225.233 find grinding machine spindle on date 2016-09-9 Search Result: Search Results : 452 3801.10.1000 Plates, rods, powder and other forms, wholly or partly manufactured, for manufacturing into brushes for electric generators, motors or other machines or appliances 3926.90.8300 ...

Drilling Machine [Parts, Types, Tools, Operations] with PDF

Dec 05, 2020  9. Grinding. Grinding operation may be performed in a drilling machine to finish a hardened hole. The grinding wheel is made to revolve with the spindle and is fed up and down. A suitable grinding wheel may be selected for surface grinding operation. Grinding can also be done correctly out of roundness of the hole.

grinding spindle - French translation – Linguee

External circular grinding machine with a circular grinding unit for alternately machining a workpiece (9; 14) that is held in a first workpiece spindle head (6) and another workpiece (10, 15) that is held in a second workpiece spindle head (7), the circular grinding unit (1) being arranged between the workpiece spindle heads (6, 7) and being displaceable along two axes (X, Y), characterised ...

Spindle apparatus. Ricerca medica. Web

If any apparatus or equipment is damaged, no matter how lightly, in no circumstances must it be installed or put into service ... mandrino orizzontale e universale Gantry Grinding machine with adjustable levelling rail with Horizontal and Universal spindle...

Machining High-Precision Mirrors Using Newly Developed

Jan 01, 1991  If a grinding wheel is used instead of a cutting tool, the curved surface of hard and brittle materials can be machined. Figure 9 shows a curved surface grinding method. The grinding spindle is set vertically on the X-axis work table. This spindle is supported by externally pressurized air bearings. A brushless DC motor is built-in.

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