These spms can be automatic, semiautomatic and manual in nature. All the axes are activated by brushless servo motors and precision ball screws. Double disc grinding pdf setup and application manual. Electrospindle technology for grinding wheels and dressing system. The dd7 is one of the most compact double disc grinding machines on the market.
Keep in mind factors such as size, power, safety, and speed before investing in an angle grinder disc. With tight flatness tolerances required in continuous spool to spool process, dd7 double disc grinder offers infeed extractor coupled with spool feeding and collection systems. Buy high quality double disc grinder by amolik precision machines. Safe working procedures and instruction 100115mm disc grinder. You can also click on the column heading to sort through the listings. Identify the major parts of the portable disc grinder. New machine bed design which makes the machines more ergonomic. Doubledisc grinding with machines from thielenhaus and. If you use this tool unsafely or incorrectly, you can suffer serious personal injury. All manufacturing processes are established and supported by a team of inhouse engineers.
The precise construction of every unit guarantees sharp edges and easy disc ejection even after long term use. The images below shows a partial cutaway of the inside of the three types of double disc grinders. Our grinding process also achieves optimum parallelism and consistent flatness for material that needs to be stacked or spotfaced during machining operations. The following section will discuss in great detail what sort of angle grinder disc is the best option for a specific job. Used horizontal, double end, opposed grinders, disc for. Jul 23, 2010 double disc grinding makes it possible to grind opposite surfaces of the part at the same time, potentially reducing overall grinding cycle time. Viotto single disc grinders, viotto double disc grinders.
In a typical double disc grinding machine, the grinding discs are sidemounted on a. Grinding machines disc grinders for sale listings we have 50 listings for disc grinders listed below. An inventory of machines capable of meeting your double disc grinding needs our machines are equipped with many different types of fixturing such as. This double disc grinding method is designed for oversized or extremely oddconfigured parts that need to be ground one at a time.
Double disc grind capabilities our double disc horizontal and verticle spindle grinders prove that grinding two parallel surfaces in one operation, results in less cost, faster delivery and extraordinary precision on high volume runs. In a typical double disc grinding machine, the grinding discs are sidemounted on a pair of opposed spindles. The first centerless grinder was built in 1927 after an initial experience in the manufacturing of other tools machines and in the mechanic production. This style of grinding also makes it much easier for a shop to maintain tight tolerances on flatness or parallelism between surfaces, as this footage from tci precision metals shows. Many different types of part feeding and automation are available. Thielenhaus microfinish crankstar highprecision surface treatment of crankshafts. I have the 9 inch disc 1 bevel from kmg mounted on a cheapie 3ph ironhorse motor. Viotto rv line the main features of the viotto double disc grinders, i.
Designed entirely by monzesi for the disc grinding applications to grant stable, precise, and highly reliable operations during processing. Find details of companies offering double disc grinder at best price. Double disc grinding has a couple of inherent advantages. This may make double disc grinding a poor choice for short part runs. Rapidly cut tem discs from ductile and soft materials, while maintaining specimen quality. Double disc grinding is an abrasive machining process that removes material from two sides of a part simultaneously.
We can double disc grind a vast array of parts, fasteners, gaskets, washers and various pieces and materials of almost all sizes and shapes. In this grinding method, two opposed abrasive discs, each mounted on its own spindle, simultaneously grind opposite and parallel faces on workpieces traversed between them via any of several fixturingcarrier techniques. Double disc grinder double disc grinding machine latest price. Double disc grinding makes it possible to grind opposite surfaces of the part at the same time, potentially reducing overall grinding cycle time. Used vertical, double end, opposed grinders, disc for. Double disc grinding services parallel tolerance metal. The double disc grinding experts at better way grinding have been in business under the same ownership since 1963 and have evolved from a small oneman shop to an organization that employs a team of skilled operators working on a wide range of equipment. This leads to the ability to a ttain flatness tolerances that would be very difficult to attain in a single side grinding operation. A disc builds up a lot of heat so running it slowly helps a lot. The result is a flat aluminum or stainless steel machineready blank with parallel tolerances to.
Gch tool group stocks thousands of parts and components to support your double disc grinder. Doubledisc grinding with machines from thielenhaus and thielenhausnissei. Vertical spindle rotary table surface grinders thomasnet. Grinders, disc, horizontal, double end opposed used. Double disc grinders dd7 double disc grinder offers material removal of 0.
Compatible with double disc grinding machines including stahli, lapmaster and peter wolters. Double disc grinding with machines from thielenhaus and thielenhausnissei. Centrally located in southern california near the 105, 110, 91, 405, 710 and 605. Used horizontal, double end, opposed grinders, disc. Operating instructions and parts manual 20inch disc grinder. The entire disc grinding process is typically enclosed by the hood of the grinding machine. These models have been completely redesigned from both technological and aesthetical standpoints. Double disc grinding is grinding with two vertically opposed grinding wheels, generating precise tolerances. In the kvd koyo vertical disc series of surface grinders, large angularthrust and ultraprecise roller bearings are used in the wheelspindle to ensure highprecision grinding. Designed for grinding small diameter components, it accurately controls their length and perpendicularity.
Double disc grinders use two abrasive discs to remove even stock on two opposite and parallel sides of product components. One of the obstacles to using these machines is their lengthy setup times. A guard protects operator from broken wheel fragments. Flat and stamped parts are machined on the doubledisc grinding machine using a throughfeed, plungecut or oscillation process, depending on the respective requirements. China double disc grinder china double disc grinder, double. Safe working procedures and instruction 100115mm disc grinder the risk of injury when using this machine is high level 4 risk this disc grinding machine is used for a range of offhand grinding procedures. Double disc grinding pdf setup and application manual this is a 39 page manual on how to set up a double disk grinder. Used vertical, double end, opposed grinders, disc for sale. Double disc grinding is a highly efficient grinding method that reduces premachining costs up to 50% and provides dimensional tolerances to.
The main features of the viotto double disc grinders, i. Surface, vertical spindle rotary table resources are. Standard grinding wheels for clearance angle grinding. Double disc grinder grinder, spindle repair gch tool. Grit discs are among the cheapest available options in. Competencies given a properly adjusted portable disc grinder, accessories, instruction and demonstration of use, each student will be able to. As a result, the process is not visible and sometimes casts a ray of doubt regarding what is really happening between the grinding wheels. Thielenhaus microfinish double disc grinding machine. Double disc grinding uses two opposing abrasive wheels to simultaneously grind two sides of a blank. Our double disk grinding wheels deliver outstanding life, which optimizes grinding time cycles and provides consistency over the entire run of parts.
Our purpose is to provide information about vintage machinery that is generally difficult to locate. The machine is capable of grinding many highperformance parts for a wide range of industries from medical and aerospace to automotive. Many things must be done properly in the set up of a disc grinding process. The grinding of two sides, simultaneously, reduces handling and eliminates the extra grinding time, speeds production and provides consistency over the entire run of parts. All gch parts and components are manufactured to oem specifications or better, and are guaranteed for maximum performance. Sandray precision grinding inc has a wide variety of cnc and manual toyoda o. Since the part is passed between two abrasive discs, the stresses on the part are equal on both sides. The variable speed polisher shall have8 inch double disc polishercorrosion proof cabinetcorrosion resistant washbowl free flow drainvariable speed 50.
This process works especially well for nonmagnetic materials that cannot easily be blanchard or surface ground. This is a 9 disc gringer with a vertical disc and adjustable table. Flat and stamped parts are machined on the double disc grinding machine using a throughfeed, plungecut or oscillation process, depending on the respective requirements. It is sometimes called opposed double disc surface grinding. Accessories must be rated for at least the speed recommended on the tool warning label.
The family of viotto models ranges from manually loaded plc type single disc grinders to fully automated and integrated cnc double disc machines, to special. Amw ddg double disc grinder machine, grinding wheel size. Double disc grinding is the process of grinding equal amounts of material off both sides of the part at the same time. Centerless grinders line, double disc grinders line. Special case are double disk grinding machines for silicon wafers. Safe working procedures and instruction 100115mm disc. Monzesi merges the invaluable experience of officine monzesi and viotto in a single company. We have 17 double disc grinding machines ranging in size from 12 to 42 wheel. Specialists in precision double disc grinding stoner. Click here to find double disc grinding manufacturers. An accurate and dependable tool for mechanically prethin specimens with high quality and uniform thickness. The main characteristics of the viotto double disc grinders, robust stable design, high precision and high reliability, are the starting points for the. Pass a written test on safety and operating procedures of the portable disc grinder with 100 percent accuracy. The proposed variable speed double disc polishing machine is required for metallography sample preparation.
Flatness, thickness, parallelism and surface finish. A double disc grinder grinds two sides of a work piece at the same time. A vfd on a disc grinder is extremely useful, not only for speed control but also for the ability to reverse direction. Double disc grinding has always offered a highly productive and accurate means for machining tosize parts with flat and parallel sides. Call us if you have more questions about the double disc grinding process. Doubledisc grinding is an extremely efficient grinding process that uses abrasive wheels that oppose one another, grinding and removing equal amounts of stock from both sides of a blank.
Reciprocating double disc grinding provides the third highest production rate and gives us the capability to grind just about any size part that our customers require. In the 90s, officine monzesi arrives in america with the foundation of monza corporation. Disk and double disk surface grinding machines crystec. All knife blades must be double disc ground prior to bevel grinding. Double disc grinder, double end grinder, bearing race grinder manufacturer supplier in china, offering double disc grinder, 3800x4000x2100mm tslotted angle.