Double-Disc Grinding Services - TCI Precision Metals
Double-Disc Grinding is a highly efficient grinding method that reduces pre-machining costs up to 50% and provides dimensional tolerances, parallelism, and flatness up to ±.001″. (For even tighter tolerances, see our Surface Grinding process.) Double-Disc Grinding uses two opposing abrasive wheels to simultaneously grind two sides of the ...
US9004981B2 - Apparatus for double-sided, grinding ...
the invention relates to an apparatus for the double-sided, grinding machining of flat workpieces with an upper and a lower work disk, each of which has a work surface with a grinding layer,...
Amazon: Double Sided Mounting Tape 3M 5925 VHB Heavy ...
The fast and easy to use permanent bonding method provides high strength and long-term durability. It consists of a durable acrylic adhesive with viscoelastic properties, This provides an extraordinarily strong double sided tape and offers design flexibility with its viscoelasticity and powerful ability to bond a variety of surfaces.
US7101258B2 - Double sided polishing machine - Google …
A double-sided polishing machine usually has two working discs which are rotationally driven by a shaft, preferably in opposite sense to each other. The shafts are co-axial. Each working disc...
Simultaneous double side grinding of silicon wafers: a ...
Simultaneous double side grinding (SDSG) is one of the processes to flatten the wire-sawn wafers. This paper reviews the literature on SDSG of silicon wafers, covering the history, machine development (including machine configuration, drive and support systems, and control system), and process modeling (including grinding marks and wafer shape).
Analysis of influencing factors for the dressing process ...
The substitution of double-sided face lapping processes by double-sided grinding processes to reduce the environmental impact and increase the economic efficiency requires a deepening of the process knowledge. Double face grinding with planetary kinematics is a manufacturing process that is used for machining plane-parallel surfaces.
Research on the double-sided grinding and polishing ...
Then the model of blade is constructed with reverse engineering method based on the measured data. At last, the tool path on blade is planned with the direction paralleled algorithm. Research work indicates that the designed double-sided grinding and polishing machine tool is practical in finishing of blade surface.
A calculation method for workpiece profile variation ...
A calculation method for workpiece profile variation during double-sided lapping was developed in this study. In this method, shell element in FEM deformation was used to formulate elastic deformation of workpiece, and spring element was used to formulate the contact between workpiece and platens to calculate distribution of their contact pressure considering workpiece elastic deformation.
An Explanation of the Basic Welding Symbols (With Charts ...
Double sided V butt Double sided bevel butt Double sided U butt weld Symbol . Name Fillet Resistance Spot Resistance Steam . Name Finish Weld Symbol on Symbol base platform weld . Consumable insert entirely around Symbol on base platform weld . …
KIZI Technology Double Side Grinding/Lapper Machine - YouTube
This double sided grinding machine can be used on a variety of materials to achieve a high degree of accuracy in flatness, parallelism and surface finish. De...
GC-2M84100B Double-Sided Grinder – Crownkyn Superhard ...
Crownkyn Superhard GC-2M84100B double-sided grinder can meet the requirements of high precision surface grinding or fine grinding, by removing the excess material on the two surfaces of the parts, can obtain extremely accurate geometric precision and surface finish.
Double-sided milling of thin-walled parts by dual ...
Yuan et al. (2021) introduced a chatter-mitigation method by using double-sided supporting system in milling thin-walled parts. However, many thin-walled parts, such as ribs and turbine blades, have complex double-sided features, which require much more machining operations from both sides of the part.
Study on the double-sided grinding of sapphire …
The double-sided planetary grinding equipment structure is shown in Fig. 1, which consists mainly of an upper and lower plate as well as the sun wheel that rotates around the respective axis. The workpieces are placed in planetary wheels that are driven by …
Double sided grinding flat plate - Practical Machinist
Hi Guys, need your kind help on double side grinding. I never use grinding machine before. May I know is there a possibility to grind flat plate (100mm x 100mm) from 3mm to 0.8mm using double sided grinding or double disc grinding? I've used end mill but very difficult to control warpage during milling due to imbalance stress develop during ...
(PDF) Evaluation of Double-Sided Planetary Grinding Using ...
Double-sided planetary grinding is a new process for the rapid thinning and flattening of sapphire, and experiments with it were carried out on sapphire substrates with four commonly used crystal ...
Effects of polishing parameters on surface quality in ...
The polishing experiments were carried out on the YH2M77110 high-precision vertical double-sided grinding/polishing machine. The double-side CMP experiment system with seven sections are shown in Fig. 2(a). The polishing pad had an outer diameter of 1070 mm, an inner diameter of 495 mm, and a thickness of 3 mm.
Effect of Double Sided Process Parameters in Lapping ...
Prime silicon wafer is hard and brittle material. Due to its properties, double sided lapping machine with ceramic grinding agent were introduced for machining high quality standard silicon wafers. The main focus is the silicon wafer with high accuracy of flatness; to …
Double-Disc Grinding Services - TCI Precision Metals
Double – Disc Grinding Double-Disc Grinding is a highly efficient grinding method that reduces pre-machining costs up to 50% and provides dimensional tolerances, parallelism, and flatness up to ±.001″. (For even tighter tolerances, see our Surface Grinding process.)
Fundamentals of Double Disk Grinding - Metal Cutting ...
True to its name, double disk grinding uses two opposing abrasive wheels to grind two sides of a material at the same time. This makes it a very efficient grinding method for achieving a tight tolerance surface finish, flatness, and parallelism in the right applications. Yet there is somewhat of an aura of mystery surrounding double disk grinding.
SC-48-SQH6 Double-sided polishing fixture – Shenzhen ...
SC-48-SQH6 Double-sided polishing fixture. Double-sided polishing jig. Description: SC UPC ferrule double-sided grinding fixture is specially used for double UPC end-face ferrule grinding; once installed twice with the same height and fixed length, the two ends of the ferrule are polished. Both sides of the fixture can be used as the ground bottom surface, and the ferrule can be removed and ...
Best Double Sided Lapping Machine Manufacturer ...
The double-sided lapping machine is mainly used for double-side lapping of crystals or other mechanical parts that are parallel on two sides, especially the processing of thin brittle materials. It is suitable for various materials of mechanical seal ring, ceramic wafer, cylinder piston ring, oil pump blade bearing end face, silicon, germanium ...
US6997779B2 - Device for the simultaneous double-side ...
A further variant of double-side grinding is the process known as double disk grinding, or DDG for short. DDG machines according to the prior art, as are described, for example, in JP2000-280155A...
Single & Double Sided Fine Grinding ... - Lapmaster Wolters
Single & Double Sided Fine Grinding Machinery Fine grinding machines, also known as flat honing machines, use technology using fixed abrasive in lieu of loose abrasive for precision finishing. Depending upon the application, fine grinding technology utilizes fixed abrasive diamond or CBN suspended in resin, metal, and vitrified bonds to grind a ...
Double-Sided Lapping | Encyclopedia
Double-sided lapping with the relocatable upper plate is different from double-sided grinding with stationary upper plate which the parallelism of workpiece depends on the machine accuracy. Compared with the single-sided lapping, both of the surfaces are machined at the same time with similar removal mechanism and the efficiency doubles by ...
Machines | Free Full-Text | A Comparison of the Probes ...
A double-sided beam probe is employed in the figure to explain the measurement principle. As can be seen in Figure 2, the probe unit is composed of the displacement sensor and the probe unit. A probe holder is also employed in the probe unit to mount the probe onto the displacement sensor in such a way that the beam deflection along the ...
Method of producing a double-sided belt structure and belt ...
The method of producing a double-sided belt structure according to claim 14 wherein the step of determining the grinding values for the first and second surfaces comprises determining the grinding values so that the center of the at least one load carrying cord is spaced equally from the free end surfaces of the first and second plurality of ribs.
Study on surface material removal uniformity in double ...
Double side grinding is a process with high processing efficiency in which the wheel and the workpiece are in surface contact. But the phenomenon that the workpiece surface profile is out of tolerance exists because of the material removal non-uniformity in the grinding process. In order to improve the surface integrity of the ground workpiece, the mathematical models of grinding trajectory ...
Properties of grinding tool material for double-disc ...
The bearing roller is an important component of bearings [].Thus, the dimension accuracy and consistency of bearing rollers in the field of manufacturing have a considerable influence on the performance of the bearing [2,3,4]mon methods for machining cylindrical rollers include the centerless grinding method [5,6,7,8,9,10,11,12,13,14], double-sided planetary grinding method …
Study on the optical quality and strength of glass edges ...
Those can be differed into vertical, single-sided and horizontal, double-sided edge grinding machines. The specimens of this study were processed with a single-sided, vertical edge-grinding machine of the type Rock 11 from the company Neptun, as shown in Fig. 3. Therefore, the further description of the grinding process is based on this method.
Evaluation of Double-Sided Planetary Grinding Using ...
Double-sided planetary grinding as an efficient and precise machining method is used for the rapid thinning and flattening process of sapphire substrate. As an intermediate processing technology of sapphire substrate preparation procedure, many experiments are carried out to evaluate the lapping effect in the paper.