apparatus method grinding

Suture needle and method of and apparatus for grinding ...

There are disclosed a method of and apparatus for grinding an elongated material for a suture needle. An elongated grinding tape is reciprocally moved in its longitudinal direction, and simultaneously the material is pressed against the grinding tape in such a manner that the material is disposed substantially perpendicular to the longitudinal direction of the …

US20120267459A1 - Method and apparatus for rubber …

A method and system are presented for grinding and reclaiming of polymer material such as a rubber. The apparatus comprising a stator ( 4 ) and a rotor ( 2 ) in near face-to-face relationship with each other forming an operating zone for rubber grinding and reclaiming therebetween. The stator ( 4 ) has a substantially flat smooth face surface and the rotor ( 2 ) has a concave face …

US20060040584A1 - Method and apparatus for grinding ...

Apparatus for high speed grinding includes a diamond-bonded abrasive wheel, a drive mechanism for mounting and rotating the grinding wheel at peripheral speeds up to approximately 200 m/s, and a...

Metal single layer grinding apparatus - Patent CN-1166498 ...

CN-1166498-C chemical patent summary.

EP0738197A1 - Grinding method and apparatus - Google …

A method or apparatus according to any one of claims 1 to 5 in which one or more rotational speed changes are initiated either after a predetermined number …

Centerless Grinding - an overview | ScienceDirect Topics

This method is recommended for mass production and when small workpiece diameters are desired, such as engine valves, camshafts, pins, and any other similar component [23]. Other grinding types such as creep feed grinding are also performed. This type has the same kinematics of surface grinding, but also has a unique distinction as it removes a ...

A Grinding Apparatus For Making A Middle-Size Parabolic ...

A Grinding Apparatus For Making A Middle-Size Parabolic Mirror Using The Link Mechanism Method A Grinding Apparatus For Making A Middle-Size Parabolic Mirror Using The Link Mechanism Method Shishido, Kora; Sugiura, Masao 00:00:00

Apparatus and method for controlling plating uniformity ...

This invention is directed to a new and improved grinding apparatus comprising (1) a movable grinding surface, (2) a specimen holder, (3) a displacing device for moving the holder and/or grinding surface toward one another, and (4) at least three devices for limiting displacement of the holder to the grinding surface.

Grinding Tool Bits - LittleMachineShop

Grinding Tool Bits When you purchase a new lathe tool bit, it might have an angle on the end, but it is not properly sharpened for turning. Grinding lathe tool bits is a bit of an art. It takes some practice to get good at it. You need to create a cutting edge that is sharp, extends out

What is the easiest way to grind polymer pellets into powder?

Popular Answers (1) 15th Jan, 2017. Narendra Kumar. National Institute of Technology Jalandhar. Yes, you can convert polymer pellets into powder form …

Method for centerless circular grinding and apparatus for ...

Method for centerless circular grinding and apparatus for performing the same. B24B5/22 - for grinding cylindrical surfaces, e.g. on bolts. B24B51 - Arrangements for automatic control of a series of individual steps in grinding a workpiece. FIELD: machine engineering, possibly centerless circular grinding in processes of large-scale production ...

US Patent Application for METHOD AND APPARATUS FOR ...

Methods and apparatus for finishing an edge of a glass sheet are described. The edge of the glass sheet is finished using a grinding wheel mounted on one end of a spindle, the grinding wheel having a peripheral edge that contacts the edge of the glass sheet during the grinding. The edge of the glass sheet is further finished by polishing the edge of the glass …

Fineness test for cement, its Procedure & Apparatus ...

Appartus used for fineness test of cement. Sieve method test procedure: Collect a sample of cement and rub with your hands. The Fineness test sample should be free of lumps. Take 100 gm of cement sample and note its weight as W1. Drop 100 gm of cement in 90 µm sieve and close it …

Apparatus and method for grinding points - United States ...

Suture needle and method of an apparatus for grinding material for suture needle: : Matsutani et al. 4977709: Abrasive wheel: : Siden: 512/6R: 4441280: Device for centerless grinding of rotation-symmetrical surfaces on work pieces: : Wetzels et al. 4112625: Device for grinding elongated cylindrical workpieces: 1978 ...

Taiwan Innotech Expo Virtual-Product Info.-A Gear Grinding ...

A Gear Grinding Technology of Meshing Noise Reduction (Original Title: GEAR PROCESSING APPARATUS AND METHOD) Product Info. Education & Training (42) Medical Consumables (35) Agricultural Machinery (32) Medicines & Pharmaceutical (22) Sensors (21) Clinical & General Diagnostics (21)

NEW Patent CD for Method and apparatus for centerless grinding

CD of information on Method and apparatus for centerless grinding Includes drawings, schematics, diagrams and other illustrations of patented technology Excellent for researchers, hobbyists, students, teachers, librarians, scientists & engineers Braindex has served thousands of satisfied customers in over 25 countries worldwide

Dispersion or grinding apparatus, bead mill and dispersion ...

Dispersion or grinding apparatus, bead mill and dispersion or grinding method using them. Cite. Download. Patent: KR-20080077586-A: Inventor: ISHIGAKI TAKAMASA (JP) LI JI GUANG (CN) SATO KIMITOSHI (JP) KAMIYA HIDEHIRO (JP) INOUE YOSHITAKA (JP)

Apparatus and method for optimizing quantifiable behavior ...

@article{osti_1823973, title = {Apparatus and method for optimizing quantifiable behavior in configurable devices and systems}, author = {Hoffmann, Henry and Lafferty, John and Mishra, Nikita}, abstractNote = {An apparatus and method are provided to perform constrained optimization of a constrained property of an apparatus, which is complex due ...

Continuous vacuum grinding method and apparatus - Patent ...

An improved method and apparatus for the continuous vacuum grinding of meat or other products is provided which permits continuous deaeration and grinding so as to materially enhance the organoleptic properties of final meat products such as sausages and the like.

US Patent for Method and apparatus for grinding the tip of ...

Method and apparatus for grinding the tip of a twist drill . Jul 16, 1985 - Gottlieb Guhring. Described herein is an apparatus for grinding a twist drill bit, especially for web thinning and split pointing of the tip of a twist drill. The apparatus includes a grinding disk and a drill bit holder movable relative thereto mounted on a support.

Practical 1 : Ball Milling | TF Lab 1

Practical 1: Title: Ball Milling Objective: To grind the coarse salt to a smaller size by using a ball mill and to obtain the particle size distribution of the initial and the sieved final mixture. Introduction: 'Ball milling is a method used to break down the solids to smaller sizes or into a powder. A…

Subcellular Fractionation - labome

Subcellular fractionation uses one or more of the properties of each compartment, such as buoyant density, surface charge density, size and shape, and is mainly based on differential centrifugation in media of high viscosity at 4°C. Media used for differential centrifugation are mainly sucrose, mannitol, glycerol, Ficoll 400 (a polymer of ...

Apparatus and method for precision grinding face gear ...

A precision grinding apparatus includes a grinding worm for precision grinding a case-hardened face gear. A shaper is first placed into contact with a face gear, to thereby shape a surface of the face gear into a plurality of face gear teeth. The shaper is then removed, and the face gear is case hardened.

METHOD 1110A CORROSIVITY TOWARD STEEL

METHOD 1110A CORROSIVITY TOWARD STEEL ... 4.0 APPARATUS AND MATERIALS 4.1 An apparatus should be used, consisting of a kettle or flask of suitable size (usually ... or by grinding with a coarse abrasive. At least 0.254 mm (0.0001 in.) or 2-3 mg/cm2 should be removed. Final surface treatment should include finishing with #120 abrasive paper or ...

EP 2253426 A2 20101124 - Method and apparatus for roll ...

328874059 - EP 2253426 A2 20101124 - Method and apparatus for roll grinding - In one aspect, a process for roll grinding employs a grinding wheel that is porous and permeable. In another aspect, a process for grinding mill rolls includes dressing the grinding wheel as the wheel traverses the surface of a mill roll. Other aspects relate to a system, e.g., a mill roll …

More than 20 common laboratory apparatus their uses ...

Common laboratory apparatus names and uses It is impossible to imagine a laboratory (in a school, medical or scientific organisation) without special equipment. What are the most common laboratory apparatus names and uses? Superior gear that is designed for lab scientists, medical workers, students and school pupils can be used for different purposes. …

PROCEDURE: METHOD 3540A SOXHLET EXTRACTION

7.1.3 Dry waste samples amenable to grinding - Grind or otherwise subdivide the waste so that 1t either passes through a 1 mm sieve or can be extruded through a 1 mm hole. Introduce sufficient sample into the grinding apparatus to yield at least 10 g after grinding. 7.2 Determination of sample % dry weight - In certain cases, sample

US7125319B2 - Apparatus and method for grinding …

US7125319B2 - Apparatus and method for grinding and/or polishing an edge of a glass sheet - Google Patents An apparatus and method are described …

Apparatus for, and method of, plunge grinding - The United ...

An apparatus for, and a method of, forming annular grooves in a workpiece by plunge grinding. The preferred embodiment of the apparatus includes: a segmental grinding wheel chuck which further includes a circumferential chuck plate to which a plurality of arcuate-shaped, equally-spaced grinding wheel segment holders are releasably connected, and, grinding wheel …

Coring, cutting and grinding machines | Controls Group

Coring, cutting and grinding machines. CONTROLS offers a complete range of sample preparation equipment: laboratory and portable coring machines to core cylinders from 50 to 200mm diameter; basic and advanced concrete saws to cut concrete, asphalt, rock cores and irregular rock samples in order to obtain geometrically defined specimens ...

METHOD 1 - Grain and Feed Trade Association

quartering apparatus until a test portion of suitable size is obtained. 6.1.4.3 Laboratories equipped with high-throughput grinders can do the grinding of the contractual sample in one run if the ground material passes the 1.00 mm sieve

Concrete/Rock Specimen Grinding Machine | Controls Group

Grinding machine with automatic lateral displacement of the grinding head. Suitable for cubes, cylinders, blocks, cores and rock specimensComplete with 10 abrasive sectors and clamping system for cubes and prism. 220V/60Hz/3ph. 4-places core face preparation jig for grinding machine series 55-C0201/x and 55-C0202/x.

Grinding, Polishing - SumoBrain

MAGNETIC GRINDING APPARATUS AND MAGNETIC GRINDING CONTROL METHOD The present invention relates to the field of machining. Disclosed are a magnetic grinding apparatus and a magnetic grinding control method. The apparatus comprises: a magnet platform of a ground workpiece fixing table is connected to an... WO/2021/241505A1

The fabrication of grinding wheels with 3-dimensional ...

The fabrication of grinding wheels with 3-dimensional controllable abrasives arrangement using stereolithography apparatus method 2 nd International Conference on 3D Technology and Innovations March 19-20, 2018 | London, UK. Xipeng Xu, Yanfei Qiu and Hui Huang. Huaqiao University, China . Scientific Tracks Abstracts: Int J Adv Technol ...

In-process measurement of the grinding force in silicon ...

Abstract: Silicon wafer thinning is mostly performed by self-rotating grinding process. In grinding, the grinding force is a crucial factor of affecting the machining accuracy and surface/subsurface quality. In this paper, a novel apparatus and method are developed to measure the grinding force in silicon wafer self-rotating grinding process.