grinding method parallel
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grinding method parallel

A Parallel-Axis Grinding Method for Large Aspect Ratio ...

Jun 27, 2019 · A Parallel-Axis Grinding Method for Large Aspect Ratio Internal Threads Abstract: Threaded connection is an important mechanical fastening method, which is widely used in the fields of aerospace, automated processing equipment, instrumentation, etc. The precision of thread affects the joint strength directly, which makes thread processing ...

Centerless grinding is often viewed as overly complex, but ...

parallel to the ground. By manipulating the two slides simultaneously, the end user is able to raise or lower the regulating ... centerless grinding. The infeed method Grinding wheel Before grinding Grinding wheel Regulating wheel Workpiece (Bar stock) Workpiece (Product) Infeed grinding Regulating wheel

An investigation into parallel and cross grinding of BK7 ...

Apr 01, 2006 · Grinding tests were conducted on a Holroyd Edgetek SAM 5-axis surface grinder to assess parallel and cross grinding operations. The two modes, including the feed rate directions and grinding tracks/zones, are depicted in Fig. 1.Test 1 was referred to as parallel grinding, in which the side surface of the grinding wheel is positioned parallel to the circumferential direction of the workpiece.

Grinding (abrasive cutting) - Wikipedia

Selecting which of the following grinding operations to be used is determined by the size, shape, features and the desired production rate. Creep-feed grinding (CFG) was a grinding process which was invented in Germany in the late 1950s by Edmund and Gerhard Lang. Normal grinding is used primarily to finish surfaces. But CFG is used for high rates of material removal, competing with milling and turning as a manufacturing process choice. CFG

Modeling and optimization of grinding parameters for ...

Apr 27, 2016 · 高达10%返现 · A modeling method is presented for grinding of the designated geometrical parameters of twist drill in a Biglide parallel machine, which has the more effective and economic potentialities for grinding of drill point. The grinding kinematics trajectory and condition are analyzed based on the structure of the Biglide parallel machine. Moreover, the mathematical model of

Research on an optimized machining method for parallel ...

Apr 19, 2015 · 高达10%返现 · Parallel grinding method has been widely used for advanced optics machining, especially f-θ optics. In order to reduce the dependence on high-precision machine tool with many degrees of freedom (DOF) and obtain high machining accuracy, in this paper, we propose a simultaneous 2-axis method to replace the conventional simultaneous 3-axis method in parallel grinding

Wheel curve generation error of aspheric microgrinding in ...

Dec 01, 2006 · In the parallel grinding method, the wheel contact area in the grinding process is changed and wheel wear is scattered on the wheel surface , . Thus, truing accuracy of the wheel radius significantly affects the profile accuracy of ground surface.

Parallel Grinding | Scientific.Net

Abstract: Parallel grinding is an effective method of aspheric moulds machining which is usually made of industrial ceramic such as silicon carbide (SiC) or tungsten carbide (WC), but if the spherical grinding wheel is not being with precision truing and dressing, the roughness and form accuracy of the ground aspheric surface should get worse, for this reason, in this paper, the influence ...

Machining of Aspherical Opto-Device Utilizing Parallel ...

Grinding wheel life is closely related to ultra-precision grinding efficiency and processing accuracy, so Saeki et al. 25 developed the parallel grinding method to prolong the grinding wheel life ...

Dressing methods of superabrasive grinding wheels: A ...

Sep 01, 2019 · At present, the dressing methods of superabrasive grinding wheels can be divided into three categories: the first category is a mechanical dressing represented by abrasive block dressing, parallel wheel dressing, and cup wheel dressing; the second category is a special dressing method represented by electrical discharge dressing, electrolytic ...

Thickness, Parallelism and Flatness | Precision Grinding, Inc.

Sometimes the term “flat and parallel” is used in the part description without numerical values. In this case, techniques will be used during the grinding process to improve a part’s flatness and parallelism while obtaining the specified thickness. However, particular

8 Principles of Centerless Grinding - Metal Cutting ...

Dec 08, 2016 · Grinding methods differ in how parts are fed through the machine. ... If the regulating wheel is too close to parallel with the grinding wheel, it can cause the parts to stall between the wheels — or, worst-case scenario, cause a workpiece/wheel crash. The angle of the workpiece rest blade is also critical. For example, when grinding with a 4 ...

Research on an optimized machining method for parallel ...

Apr 19, 2015 · Parallel grinding method has been widely used for advanced optics machining, especially f-θ optics. In order to reduce the dependence on high-precision machine tool with many degrees of freedom (DOF) and obtain high machining accuracy, in this paper, we propose a simultaneous 2-axis method to replace the conventional simultaneous 3-axis method in parallel grinding. Firstly,

GRINDING METHOD, TRAJECTORY PLANNING AND

axis grinding robot, revealing that the strategy can prevent soft tissue damage. Fan et al. [13] propose a parallel grinding and non-interfering trajectory planning method for implant grinding robot, which prevents the interference between the two grinding trajectories, and

Machining of Aspherical Molding Dies Utilizing Parallel ...

The parallel grinding method is an arc-envelope grinding method in which a grinding wheel with an arc-shaped cross-section is used to generate an aspherical profile. The property of the ground surface by the parallel grinding method and the conventional method (cross

Double Disc Grinding Specialists - Ryeco Inc.

Double disc grinding offers a highly productive and accurate means for machining to-size parts with flat and parallel sides. In this grinding method, two opposed abrasive discs, each mounted on its own spindle, simultaneously grind opposite and parallel faces on pieces traversed between them via any of several fixturing/carrier techniques.

4 Ways to Grind Metal - wikiHow

Mar 29, 2019 · Method 1 of 4: Choosing the Right Grinder ... Keep your grinding disc nearly parallel to the metal so the grinder smoothes out the edges of your weld even to the sheet metal. Some grinding discs have a slight angle to them. Try to use a disc with a flat edge. 4. Grind

Machining of Aspherical Opto-Device Utilizing Parallel ...

Grinding wheel life is closely related to ultra-precision grinding efficiency and processing accuracy, so Saeki et al. 25 developed the parallel grinding method to prolong the grinding wheel life ...

Research on the Roughness Model of Aspheric Surface with ...

Study of Parallel Grinding Method for Aspheric Optical Elements,. International Conference on Leading Edge Manufacturing in 21st Century, Nov. 3-6, (2003). DOI: 10.1299/jsmelem.2003.49 [4] Ono Kōji. Theory cutting learning [M]. GaoXizheng, translation. Beijing:National defense industry press, (1985). ...

Surface Quality Improvement of Aspheric Pressing Mould ...

Surface Quality Improvement of Aspheric Pressing Mould Using Parallel Grinding Method. Article Preview. Abstract: It is a cost-effective technology to obtain aspheric optics made from optical glass and other brittle materials using pressing mould. The optical quality of molded optics is determined mostly by the surface quality of the mould ...

Machining of Glass Molding Aspherical Dies Utilizing ...

Machining of Glass Molding Aspherical Dies Utilizing Parallel Grinding Method November 2002 The Proceedings of The Manufacturing & Machine Tool Conference 2002.4:27-28

Grinding Machine: Types, Parts, Working & Operations (With ...

In this type of grinding operation two grinding wheels are fitted parallel with a little 5-10 degree angle, this angle is provided to get a longitudinal motion of the workpiece. A cylindrical rod is entered between the two grinding wheel due to the tilted angle the workpiece is automatically pass through the wheels, and we got a smooth surface.

Topological Gear Grinding Methods | Gear Solutions ...

May 15, 2014 · With this method, the worm grinding wheel is given several sections which can be used for a systematic shift strategy (Figure 16). Figure 18: Bias is opposite when comparing profile grinding with generating grinding. The worm grinding wheel in Figure 16 has four sections. The maximum possible number of sections is proposed by the controls.

Machining of Aspherical Opto-Device Utilizing Parallel ...

BibTeX @MISC{Saeki_machiningof, author = {Masaru Saeki and Tsunemoto Kuriyagawa and Joo-sang Lee and Katsuo Syoji}, title = {Machining of Aspherical Opto-Device Utilizing Parallel Grinding Method}, year = {}}

Experiment: Metallography Specimen Preparation and ...

An important factor throughout the Coarse Grinding and Fine Grinding Stages is that the scratches be uniform in size and parallel to each other in any one grinding stage. Proper grinding involves rotation of the sample by 90o between stages while the grinding angle must be held constant during the grinding at any one stage.

Double Disc Grinding Specialists - Ryeco Inc.

Double disc grinding offers a highly productive and accurate means for machining to-size parts with flat and parallel sides. In this grinding method, two opposed abrasive discs, each mounted on its own spindle, simultaneously grind opposite and parallel faces on pieces traversed between them via any of several fixturing/carrier techniques.

How to Measure Parallelism: 9 Steps (with Pictures) - wikiHow

Mar 29, 2019 · 2. Take the measurement of the opposing sides. Determining parallelism means finding that two opposing sides of an object, which are supposed to be parallel, are consistently far apart at all positions. To test this, you need to measure the distance between the two surfaces at multiple positions. If the distance is within the specified ...

4 Ways to Grind Metal - wikiHow

Mar 29, 2019 · Method 1 of 4: Choosing the Right Grinder ... Keep your grinding disc nearly parallel to the metal so the grinder smoothes out the edges of your weld even to the sheet metal. Some grinding discs have a slight angle to them. Try to use a disc with a flat edge. 4. Grind

Ryeco, Inc. - Double Disc Grinding Specialists - Home

Double disc grinding offers a highly productive and accurate means for machining to-size parts with flat and parallel sides. In this grinding method, two opposed abrasive discs, each mounted on its own spindle, simultaneously grind opposite and parallel faces on pieces traversed between them via any of several fixturing/carrier techniques.

JACK C. DREES GRINDING CO., INC. - Services

Double-Disc Grinding is the most reliable and cost effective process for your pre-machining needs. Double-Disc Grinding is a highly efficient grinding method that reduces pre-machining costs up to 50% and provides dimensional tolerances, parallelism, and flatness to ±.0002".

parallel grinding - English definition, grammar ...

Methods and apparatus for combinatorial (i.e., high-throughput) materials research, such as catalysis research, that involves parallel apparatus for simultaneously effecting mechanical treatments such as grinding, mixing, pressing, crushing, sieving, and/or fractionating of such

Hybrid model based on energy and experimental methods for ...

Jul 29, 2017 · Automatic grinding using robot manipulators requires simultaneous control of the robot endpoint and force interaction between the robot and the constraint surface. In robotic grinding, surface quality can be increased by accurate estimation of grinding forces where significant tool and workpiece deflection occurs. The small diameter of the tool causes different behavior in the grinding process ...

Sharpening System Jigs - ptreeusa

The bevel of the skew should be flat, and this method does produce a hollow grind ; The cutting edge and bevel are not parallel; Solution Solving the first problem seemed impossible, to get a flatter grind you need a bigger wheel, so we set out to solve the second problem. The result was the ONEWAY Skew Grinding attachment.

Easy Calculator Method for Finding Total Resistance in a ...

Dec 10, 2016 · Quick and easy method for students to calculate the equivalent resistance of a Parallel Circuit using the inverse key of their calculators. If you would like...

A New Regulating Wheel Truing Method for Through-Feed ...

Aug 01, 2013 · grinding machine with 400 mm diameter grinding wheel, 80 mm diameter workpiece, and 50 mm center-height of the workpiece. An XYZ Cartesian coordinate system is first defined. The swivel plane of the regulating wheel is parallel to the YZ plane, i.e., the axis of the regulating wheel is located in the plane X50. The

KAKEN — Research Projects | DEVELOPMENT ON HIGH

The main results are listed as follows: (1) The ultraprecision aspheric grinder AHN60-3D, produced by the Toyada Machine Co., Ltd. was renovated for the use of the parallel grinding method. (2) The software, which is able to generate the NC codes from the aspheric equations according to the parallel method

Influence of grinding force on aspherical small-scale ...

Finally, among these three grating parallel grinding methods, the aspherical small-scale waviness obtained by the down-grinding grating parallel grinding method is the most uniform and the waviness amplitude is the smallest, the waviness amplitude is less than 2μm. Now on home page. ads;

8 Principles of Centerless Grinding - Metal Cutting ...

Dec 08, 2016 · Grinding methods differ in how parts are fed through the machine. ... If the regulating wheel is too close to parallel with the grinding wheel, it can cause the parts to stall between the wheels — or, worst-case scenario, cause a workpiece/wheel crash. The angle of the workpiece rest blade is also critical. For example, when grinding with a 4 ...

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