Pin Grinding Patents

Diamond cBN Products Norton Abrasives

Moore Grinding Wheel Types Conventional Abrasive Gold Line ABN Super Abrasive Electroplated CBN and Diamond High Speed Electroplated CBN and Diamond Resin Bon CBN Metal Bond CBN High Speed Metal Bond Bottom Grinding Wheels Carbide Burrs Special Order …

Prefered method grinding core ejector leader pins

A machine tool for grinding pins of a crankshaft which comprises an indexing mechanism and work centers free to advance and retract for operatively engaging and lifting the journals of a crankshaft up and away from the bearing faces of the clamping fixtures during indexing The journals of the crankshaft are supported by the clamping fixtures on bearing faces carried by the fixtures when the

US Patent for Methods for grinding of samples using a

Nov 16 1999· Cut-off and grind pin-machining fixture United States Patent 5984768 Abstract A fixture for retaining mold pin workpieces for separate cut-off and precision grinding operations facilitating the efficient machining of quantities of mold pins to close tolerances when employed in combination with a machine such as a manual surface grinder

US3909984A - Punch pin flat grinding machine - Google Patents

piston pin grinding method This method is applied for roller bearings roll barrels piston pins and shock absorber rods instead of stones you can also This method is applied for roller bearings roll barrels piston pins and shock absorber rods instead of stones you can also US1818084A - Method of grinding - Google Patents

Pin Grinder Products Suppliers Engineering360

Grinding small diameter pins Grinding very small ejector or core pins can be a challenge One solution is the Wee-block This set includes two small V-blocks that can hold very small pins in any number of grinding fixtures Be sure to use the little accessory between the clamping screw and the pin when holding small ejector pins

pin grinding fixture - MC World INC

Disclosed herein are devices apparatuses and methods for grinding of samples A method includes securing a sample vial in a holder attached to a connecting linkage the sample vial having a grinding media in the sample vial The method includes rotating a crank that is operatively coupled to a proximal end of the connecting linkage at a proximal pivot point so that the proximal pivot point

Cut-off and grind pin-machining fixture - TOLLEY ROLAND H

Dec 21 2013· This keeps the burrs down too I mic each pin and then check each pin in a hole to make sure there are no burrs Burrs will get papered with 600 Form grinding on pins is done spinning them horizontally in a Harig surface grinder using a Harig Grind All fixture either a 1 or a 2 with a sliding V-block that can be indicated in almost perfectly

US6767273B1 - Crankpin grinding method - Google Patents

Pin-Jung LAI has filed for patents to protect the following inventions This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office USPTO

Grinding machine for crankshaft pins - Google Patents

Ever Ready Pin Manufacturing produces a wide variety of precision-manufactured pins punches and grinding services As a leading supplier to the fastener industry we craft pins for a worldwide market on a quick-turn express-ship basis

US Patent Application for Hand engraving sharpening device

Patents by Inventor Ralph E Price Ralph E Price has filed for patents to protect the following inventions grinding assembly including a grinding wheel spaced pins comprising a number of cylindrical grinding machines equal to half the plurality of pins each for grinding a single pin located at a distinct radial and axial position

piston pin grinding method - autorijschool-desoet nl

A machine is disclosed for forming facets on the surfaces of a plurality of workpieces The machine is characterized by the presence of a plurality of pin members for holding the workpieces to be faceted against an abrading surface of a lap or a grinding wheel The pin members are positioned and held together in a contiguous relationship The machine also includes a mechanism for setting the

US3583108A - Machine tool for grinding pins of a

The pin grinding fixture supports an ejector pin 10 for grinding as shown in FIG 1 The pin head 12 abuts the flat vertical surface of a movable stop member 14 that is adjustable along the length of a stationary shaft 16 and locked thereto by a locking screw and knob 17

US Patent for Ring for grinding mill Patent Patent

The preferred embodiment of a hand engraving sharpening device in accordance with the present invention is illustrated in FIG 1 and FIG 2 The apparatus consists of a flat surface 6 a grinding lap 4 a graver holder 10 a collar 14 a thumbscrew 16 a template-A 12 a template-B 13 and a graver 2

Crankshaft grinding machine - FRIEDRICH SCHMALTZ GMBH

Letters Patent No 173 672 dated February 15 1876 for improvement in card-grinding machines were granted to me and the devices herein claimed are improvements on the mechanism shown in said patent The feature of improvement and invention is an improvement in the shape and construction of the engaging-pin

pin grinder pin grinder Suppliers and Manufacturers at

Jun 07 1988· The pin grinding fixture supports an ejector pin 10 for grinding as shown in FIG 1 The pin head 12 abuts the flat vertical surface of a movable stop member 14 that is adjustable along the length of a stationary shaft 16 and locked thereto by a locking screw and knob 17

pin grinding machine pin grinding machine Suppliers and

Diamond and cBN grinding wheels and products are designed for wet or dry precision grinding applications on the hardest materials With Norton diamond and cBN grinding wheels you get high material removal rates superior form holding and longer wheel life

How To Grind Ejector Pins On A Manual Surface Grinder

US4748774A - Pin grinding fixture - Google PatentsThe pin grinding fixture is particularly valuable for end grinding a plurality of identical rods of eject Large-scale crushing screening milling plants Offer efficient cost-effective services for you 7 927 687 07 58 email protected Piskunov street Irkutsk

US Patent for Faceting machine Patent Patent 5 454 747

• Analysis of the Grinding Mechanism with Wheel Head Oscillating Type CNC Crankshaft Pin Grinder p 163 The Effect of pin and Attrition Milling on Starch Damage Wheat in Hard Flours The strengthening damage in Bruch‐ and reduction flours of commercial durum wheat in height of 10 9 and 15 7 was increased through Vermahlung with pin mills

GRINDING PIN - Free Patents Online

Apr 23 2014· 1 A method for producing an abrasive point for machining work pieces made of metal particularly of cast metal wherein the abrasive point features a base body with a grinding region that is effective on the outer surface in order to grind the work piece and a shaft for clamping the tool in the collet chuck of a machine wherein the base body is made of metal and wherein the outer surface of

Diamond CBN Internal Grinding Pins - Strauss Co

A grinding method of a crank pin that grinds an outer circumferential surface of the crank pin of a crankshaft having a crank journal and the crank pin eccentric to the crank journal by rotating a crankshaft around a central axis a center of the journal of the crank journal and moving a rotating grinding wheel in a diametric direction of the crankshaft according to rotation phase angle of

Pin grinding fixture - Free Patents Online

A wide variety of pin grinding machine options are available to you There are 4 459 suppliers who sells pin grinding machine on Alibaba com mainly located in Asia The top countries of suppliers are China South Korea and Taiwan China from which the percentage of pin grinding machine supply is 99 1 and 1 respectively

US Patent for Oscillatory drive for fine-grinding machine

Grinding machine for pins of heavy crankshafts on which the crankshaft is eccentrically mounted in a rotatable clamping arrangement on both sides where the crankshaft pin to be ground is located in the rotational center of the clamping arrangement and on which the pin can be ground with a grinding head of a cylindrical grinder with at least one relief arrangement for the crankshaft to supply

Diamond CBN Pins Gesswein

STRAUSS CO offers a wide range of Diamond and CBN grinding pins This category features pins designed to offer the end user safe superior quality and cost effective pins A wide selection provides a choice of the most suitable grinding pin for any given application in terms of head size shank size length and grit size

Grinding Wheels at Moore Tool Precision Machining

A method is described for grinding a crankpin of a crankshaft using computer controlled wheelfeed and headstock drives 44 30 24 During a final grinding step leading to finish size the cutting force is maintained on the wheelhead 38 to keep the wheel 34 and pin under a moderate constant load and the rotational speed of the headstock drive 24 is reduced

US3583108A - Machine tool for grinding pins of a

Alibaba com offers 3 109 pin grinder products About 47 of these are grinding equipment 1 are grinder and 1 are other lighters smoking accessories A wide variety of pin grinder options are available to you There are 3 106 pin grinder suppliers mainly located in Asia

Patents by Inventor Ralph E Price - US Patent Patent

Precise and rapid grinding of punch pins made of extremely hard material is obtained by a process and apparatus wherein a cylindrical punch pin is securely held by a work holder means and moved linearly between grinding means to simultaneously form a plurality of flats in the plane of a chord of the pin cross section and to cut the cutting end of the pin