-
Email us
-
Online Us
24-Hour Service
-
Find Us
HeNan, China
24-Hour Service
HeNan, China
Sep 01, 2012 It may also improve truing ratio by about 350 times and truing efficiency by about 59 times against mechanical truing, respectively. After micro-grinding of quartz glass using the trued diamond wheel V-tip, the integrated micro-groove may be ground with the average absolute angle error of 0.59 and the average surface roughness of 0.128 m. It is confirmed that the micro diamond wheel V-tip can be fabricated by Dry
Read More
The mechanisms about material removal and texture formation in grinding wheel truing are investigated to enable the precise control of micro/meso-structure generation on the grinding wheel.
Read More
Aug 09, 2013 The chapter focuses on the development of truing and dressing technologies for micro grinding wheels. It also deals with the error compensation method for the fabrication of aspherical profiles as the wheel preparation and tool wear compensation play critical roles in the micro grinding processes.
Read More
Jan 01, 2015 An on-machine truing of diamond wheel for micro-structures grinding was proposed. The kinematic of dry-EDT have a considerable effect on the wheel profile accuracy. Feed rate of truing process has different effects on various shape wheels.
Read More
Metal bonded diamond grinding wheels are widely used in the grinding process, especial in ELID grinding. However, truing is difficult owing to the high toughness of metal bond materials and high hardness of diamond abrasives. To realize high precision and high-efficiency truing, we propose a new micro-truing method consisting of electro-discharge truing and electrolysis-assisted mechanical ...
Read More
Aug 09, 2013 In this case, the effect of micro structure of work material on a removal mechanism involved in the micro grinding process and the pragmatic technologies for making aspherical micro moulds are discussed in detail. The chapter focuses on the development
Read More
was 500 m and 570 m, respectively.The detail micro-grinding machining conditions of SD600 diamond grinding wheel were shown in Table 2. Fig. 1 Dry electro-contact discharge (ECD) truing and micro-grinding of V-tip diamond grinding wheel (a) photo of V-tip truing and
Read More
In this paper, we applied the proposed new micro-truing method consisting of electro-discharge truing and electrolysis-assisted mechanical truing to sharpen the edge of large grinding wheels.
Read More
In micro grinding, a novel CNC mutual-wear truing was first developed to sharpen the wheel V-tip then, the effects of microscopic wheel topography, silicon crystal-orientation and grinding ...
Read More
A serial of truing experiments are conducted with the resin-bonded and metal-bonded diamond wheels, and micro grinding experiments on cemented carbide micro structure array also are carried out.
Read More
Mar 07, 2019 However, serious tool wear, low material removal rate, frequent truing demand and accuracy limitation of diamond wheel truing created a tremendous challenge to grinding micro-structured surface with high accuracy and high efficiency on hard and brittle material 20,21,22,23,24.
Read More
Jun 14, 2018 Hence, the micro-grinding with a superhard diamond wheel micro-tip is proposed to fabricate the microgroove array on silicon and glass. In order to assure the profile accuracy of diamond wheel micro-tip, the mechanical truing and the electro-contact discharge (ECD) truing were developed to control the form accuracy and the micro grain ...
Read More
JIGCO Super diamond DSD Truing tools can be used to true on Straight wheels, angled wheels, and sidewalls of the wheels. In most grinding process, out-of-roundness is not a major problem with cup and face wheels such as Types 11V9, 12, 15 and 6. Straight diamond wheels such as Type 1A1 usually require trueing after mounting and startup.
Read More
The truing is a micro-cutting of the grinding wheel to achieve the required geometry and precision and make the abrasive tip crushed to form a micro-edge. the dressing is removing the bonding agent between the abrasive grains so that there is a certain holding debris space between the abrasive grains.
Read More
The dry electrical discharge dressing and truing technology was proposed to realize the high efficient and precise truing of diamond grinding wheel in this paper. Firstly, the V-shape tip of diamond grinding wheel was formed using dry electro-contact discharge (ECD) truing along setting crossed V-shape interpolation path. Secondly, the influence of...
Read More
A truing technique that can be used to shape the tip of an electroformed diamond tool into a hemisphere and flatten diamond grains on the tool working surface at the same level as the bond face was developed. A polycrystalline diamond disk whose top surface roughened by electrical discharge machining was partially flattened by grinding was used as a truer.
Read More
A diamond dresser does dressing and truing at the same time, but the fresh grains on the surface are damaged during this operation.There is one way to avoid such a damage electro discharge truing. Electro discharge truing is a is a precise, non-contact truing method which improves grinding accuracies while increasing productivity and quality.
Read More
Centerless grinding wheels can be trued within a short time with experienced operators. BUT when it comes to truing of Resin bond Diamond CBN grinding wheels, it is a big challenge to have it perfectly trued down within a short time when the wheel is worn down. Standard practice in this industry uses tru-feed either with soft steel, copper or ...
Read More
In V-groove ELID grinding process, to achieve optimal grinding performance and satisfactory surface quality and profile accuracy, metal bonded diamond grinding wheels need to be carefully sharpened. In this paper, we applied the proposed new micro-truing method consisting of electro-discharge truing and electrolysis-assisted mechanical truing to sharpen the edge of large grinding wheels.
Read More
However, since the voltage and current changes are small, and the discharge sparks are stabilized, it is found that a precise micro-truing can be performed. TABLE 1 With Without Grinding liquid Grinding liquid Operating Current (A) 0.4 to 0.5 0.1 to 0.3 Operating Voltage (V) 30 to 35 50 to 70
Read More
Sep 15, 2004 Wear variation of the grinding wheel and its effects on the corner radius of micro V-grooves are also discussed. The minimum wheel tip radius of 8.2m was achieved using this 4000 grinding wheel by micro-truing, and V-groove corner radiuses ranging from 15m to
Read More
Micro machining, i.e. micro milling and micro grinding can meet these requirements. In this paper, desktop-sized machine tools and their components that were developed at our institute are presented. With those machine tools, micro tools can be machined and used in one clamping, allowing for
Read More
Metal bond grinding wheels can retain their shape and size under extreme grinding conditions. On the other hand, it is difficult to true them accurately and efficiently due to the severe wear of truing tools. To solve the problem, this paper proposes a new truing device based on electro-contact discharge machining. The device is designed so that the position of the electrode working face ...
Read More
Dec 01, 2019 The wear of micro-grinding tools less than 1 mm in diameter is crucial for achieving acceptable surface quality and accurate dimension of the workpiece. To control wear behavior of the micro-grinding tools, an investigation through experiments was conducted on the machining and wear performance of various (D-shaped PCD, CVD, electroless plated, and electroplated) diamond micro-grinding tools ...
Read More
A novel grinding approach of micro pyramid-structured surface is proposed by using a 60 V-tip of 600 diamond grinding wheel in CNC system. The research objective is to understand the micro grindability of various hard and brittle materials including quartz glass, silicon, SiC ceramics and WC alloy. First, a CNC mutual-wear truing approach was developed to sharpen the wheel V-tip then, the ...
Read More
An ultra precision micro grinding process using PCD tools trued by micro EDM. Broadband digital networks require micro mechanical components and optical devices. These devices require ultra precision shapes. With such optical devices as optical wave-guides and micro lens arrays, the machining accuracy required is in the sub-micron regime and ...
Read More
Cylindrical Wire Electrical Discharge Truing of Metal Bond Diamond Grinding Wheels. (Under the direction of Albert Shih) The goal of this research was to use the wire Electrical Discharge Machining (EDM) to profile a metal bond diamond grinding wheel, and then study the wear
Read More
Ultraprecision Grinding Machine Design And Application. Nov 27, 2018 Yamamoto Y, Suzuki H, Moriwaki T, Okino T, Higuchi T 2007 Precision grinding of micro fresnel lens molding die 2nd report precision truing of micro grinding wheel with sharp edge by molybdenum truer and
Read More
May 24, 2021 Truing operations deal with the form or profile of the grinding wheel. When truing a new abrasive wheel, the grinding face is altered to allow the abrasive product to do what it needs to do. Routine truing during the grinding process corrects the wheel profile and compensates for form loss as the wheel breaks down under regular use.
Read More
Step 5. Allow JIGCO Super diamond DSD Truing Tool to make several passes ( 2-3 ) at this position. (Trueing in one direction will only leave a crown on the wheel) Step 6. Reduce the down feed of the wheel with each set of 3 passes across the wheel, for example by going from 25 micron- to 12 micron-
Read More
If a grinding wheel is out of round, your tools will still bounce on the surface which adversely affects sharpening. Every instruction manual weve studied that comes with a balancing system recommends truing the wheels too. We suggest truing the wheels first and then test the grinder and decide if you need to go further.
Read More
Above all, StuderWIN stands out thanks to micro-functions, with which grinding and truing routines can be freely programmed, in order to optimise the grinding process. Software options for the grinding technology calculation, optimised truing, as well as contour, thread and form grinding further enhance the
Read More
The grinding and truing experiments were conducted on a cylindrical grinding machine, as shown in Fig. 3. Detailed setup parameters and information of machine, work-material, and cool-ant are summarized in Table 1. Fig. 3. Congurations of the truing and grinding in a cylindrical
Read More
Aug 01, 2013 Keywords Diamond wear Truing force Ceramic grinding 1. Introduction The truing and grinding forces and scanning electron microscopy (SEM) micrographs of the rod and particle diamond on the blade tools for truing vitreous bond SiC grinding wheels are presented. The slow and steady wear of diamond tools is the key to achieving consistent wheel ...
Read More
Therefore, the previously developed grinding wheel V-tip truing technology can ensure the shape accuracy of micro-structure grinding machining, facilitating micro-forming accuracy of the micro-structured polymer diffusion plate in the micro injection molding process.
Read MoreAseona contributes its own strength to sustainable development, and is committed to the development and manufacturing of environmentally friendly, safe and intelligent equipment.