All information about gmn spindle technology and the right spindle accessories in a free pdf file. Reduced wear the high degree of hardness of the balls, and the nongalling effect of the silicon nitride against. For detailed information about our company and products, you can download our most important catalog as a pdf file, or by pressing the following button. Aug 06, 2019 gmn usa products supplier of gmn spindle technology. Introduction to turning tools and their application.
The sprag clutch dimensions match our radial ball bearing sizes, even the double sealed clutches 2rs, which make them a great plugandplay. We received this spindle with a complaint that the spindle had play in the bearings and it made noise. Consult gmns entire high speed spindles for manual tool change. Type tsa, tsa c external taper speeds upto 60000 rpm duplex pair of gmn precision angular contact bearings tsa c with gmn hybrid ceramic ball bearings permanently grease lubricated spring preloaded design suitable for small, medium and large bores. There is a nameplate and type designation engraved on each gmn highfrequency spindle on the spindle housing.
Okuma offers a wide variety of machines for various applications. Drawing backup is available for most of the gmn spindles. Gmn belt drive grinding spindles, gmn high frequency. Gmn labyrinth seal cf 60 and cf 619 for spindle bearings. But i am still puzzled why the gmn manual for the spindle names mobile dte light as an option. The frictionless, nowear characteristics of gmn noncontact seals offer effective, economical and ecological solutions for modern applications in and outside of the machine tool industry. Makino spindle repair free estimates and 247 emergency. Apart from gmn, we also repair various other brands of high frequency and belt.
While gmn spindles are known for their reliable, longlasting performance, they do break down on occasion. Okuma spindle repair free estimates and 247 emergency. Gmn grinding spindles offer the desired performance for every type of machining. Our vast knowledge in working with okuma spindles will leave you rest assured of a high quality repair service. When designing this spindle type, the demand to offer a product with which our customers can achieve maximum. Customer indicated excessive chatter bearings were noisy when spun by hand. Hst is one of the oldest independent spindle repair facilities. Manufactured in accordance with din 69893, it is designed for use with automatic tool changers. Gti is one of the oldest, largest and most trusted spindle repair companies in the world and our mission is to minimize machine downtime, getting you back to production.
Limiting speed for spindle bearings gmn bearing usa. The force at which a bearing becomes free of load by an axial load acting centrally on. Gmn high precision ball bearings ball bearings made by gmn feature highest running accuracies. Gmn, manufacturer of machining spindles, highprecision spindle bearings and freewheel clutches, produces noncontact seals for high speed applications for more than 4 decades now. The old woman was once a young princess who pricked her finger on a spindle. You may be experiencing the following problems with your spindle. Ball bearing manufacturer super precision bearings gmn.
Gmn high frequency spindles utilize hybrid ceramic. Spindle solutions weiss spindeltechnologie gmbh, spindle. Through detailed results of the spindle gnm and the availability of technical special equipment, individual solutions result which ensure a reliable repair of the spindle and its sustainable operation. Hsk hohlschaftkegel, translated from the german language means hollow shank taper which is the part of an hsk tool holder that connects to the. Here, you can download information material on our gmn spindles as a pdf file. Jan 07, 20 here is a video showing gmn usa in farmington, connecticut going through their spindle repair process. Click on the image and the pdf will open for you to read or download. Gmn tssv120 spindle repair case study northland tool.
We repair all high speed spindles with automatic or manual tool change systems. The highperformance greases selected by gmn to lubricate bearings are optimized in quantity and quality for the service lifetimes of the installed gmn. For detailed information about spindles, you can download our most important catalog as a pdf file, or by pressing the following button. Page 114 of the pdf has a example fatigue life calculation for a spindle similar to the one installed on your grinder. And the sleeping girl in the tower is the evil enchantress who started the spell years and years ago, in order to regain her power and youth. Upon evaluation of the spindle it was found that the inner bearing spacer had been manufactured larger than the outer shoulder of the housing causing the spindle bearings to have no preload. Gmn hv x120 3000018 spindle rebuild northland tool. The anatomy of angular contact bearings gmn bearing usa. We stock wide range of gmn ultra precision steel and ceramic ball bearings used for spindle repairs. It is designed for vertical and horizontal machining centers, which are typically used in tool and mold making or in applications with high varieties in working piece dimensions toll manufacturers. Gmn grinding spindles, gmn high frequency spindles, gmn. Dec 21, 2019 the gmn oil viscosity selection is consistent with the skf recommendation.
Kg driving technology, high precision ball bearings, spindle technology are certified in accordance with din en iso 9001. Catalog 25061100 index gmn precision spindles belt driven. Rotary spindle used for free surface machining, our rotary head spindle has high torque and high rigidity and is applicable to 5axis machining centers. The uhs ultra high speed spindle series is used in highspeed internal grinding with speeds up to 250,000 rpm. Optimized engineering gmn coats components such as bearing rings, sliding fits and balls on its own pvd sputter system. Spindle bearings are fitted with non contact rz seals and deep groove bearings are fitted with z metal shields fixed in the outer ring by means of snap rings. Gmn greaselubricated spindle bearings ensure reliable, mainte nance free operation over the bearings entire service lifetime. The units operate with fckw free refrigerant r407c. Gmn spindles are exclusively produced in our home factory in nuremberg, germany. A precision machined interface between spindle and tool, it is balanced to g2. Gmn spindle repair free estimates and 247 emergency. High speed technologies repairs and rebuilds gmn spindles.
Jan 22, 2020 gmn spindle pdf find answers to frequently asked questions about gmn spindles and spindle. Kg with its over 95 years of experience manufactures high precision ball bearings, machining spindles, free wheel. Kh spindle bearing type ball materials types of bearings gmn produces spindle and deep groove ball bearings in the precision classes p4abec 7 to p2abec 9 for applications with the highest demands. Gmn has a wide range of models to choose from with either. Fill out the form below to receive your quick quote. The okuma machine tool has been a very popular machine to repair over recent years and continues to be a top unit for 2015. Vikram enterprises eg1, mukund nagar, andheri kurla road, andheri east. When this gmn tssv120 spindle arrived at northland tool and electronics we first noted that it had axial end play, indicating a loss of bearing preload. In this video, rod explains the cause of failure, and what we did to fix this spindle.
Plus, we upgrade the original nonsealed bearing design, to a sealed shielded bearing design at all bearing locations. Gmn offers spindle types at various speed and performance levels. The gmn tssv120 is a high speed grinding spindle with its own built in motor. We specialize in the repair of gmn spindle motors, gmn motors, and gmn spindles. It is a prerequisite that the spindle is correctly installed. Gmn high speed grinding spindles have been accepted worldwide as the standard for universal grinding machines. They are modu lar in design, comprising the externally driven spindle unit with toolworkpiece holder and the motor for driving the spindle. Their reliability is derived from over seven decades of experience in design, use and manufacture of precision rotating mechanisms. Our repairs will typically cost 12, or less than 12 the price of a new spindle. Apr 09, 2020 highspeed spindles with an integrated motor gmn. The spring force acts on the outer ring of bearing 2 and results in a permanent preload of both bearings almost independent of. With a dedicated makino test stand in the facility that allows us to run every spindle at max rpm, while circulating both the spindle oil and coolant throughout the unit.
Gmns reliability is derived from over this experience in design, use and manufacture of precision rotating. The highperformance greases selected by gmn to lubricate bearings are optimized in quantity and quality for the service lifetimes of the installed gmn ball bearings. Here is a video showing gmn usa in farmington, connecticut going through their spindle repair process. In the following, you can either arrange a callback, or contact gmn directly via telephone or email. Jun 22, 2019 spindle repair service and spindle sales. Gmn produces high precision ball bearings in precision class p4 abec7 or better as spindle bearings angular contact bearings, radial deep groove ball bearings as well as hybrid bearings and special bearings. Direct oil lubrication through the outer ring of angular contact bearings. Precision spindle can repair and rebuild gmn spindles. Machining spindles for highspeed internal grinding uhs style. Conventional spindles are the most popular type of spindle in machine tools. Their reliability, precision and quality set the standard internationally.
Motor spindle safety system ms3 application areas the safety system is integrated into the machine tool by the machine tool producer. Gmn spindle technology high speed spindles for manual tool change based on its many years of experience in the development and production of highquality machine components, gmn has chosen to specialize, within the field of spindle technology, in the production of longlife, high performance, highspeed spindles. Motor city spindle repair specializes in gmn spindle repair motorized cnc spindle repair for hmcvmcs, turning centers, grinding machines, and other precision spindle applications. We use high quality bearings gmn that meet or exceed the factory installed bearing specifications. The motor and spindle are connected to one another either via a belt or via a coupling. This portfolio is unique and provides a maximum of experience the machine tool industry. It is the most comprensive repair process in the indus. Gmn spindles and fittings and carrying out repair work are offered. They are a perfect combination of radial ball bearings and a sprag clutch. Our gmn ball bearing sprag clutch units are the most popular and are great for medium to low torque requirements. Gmn highfrequency spindles hc 80cg 40000 3 with grease lubrication and. Our technical support staff will respond soon, usually within one business day. These bearings have standard steel bearing races and are matched with silicon nitride balls. Gmn greaselubricated spindle bearings ensure reliable, maintenance free.
The large product range of spindle bearings and the wide variety. When it comes to your makino spindle replacement or repair call the technicians and support staff at gti spindle technology. Gmn greaselubricated spindle bearings ensure reliable, maintenance free operation over the bearings entire service lifetime. We repair spindles with bt, iso, cat and hsk tool holding systems. Would you like to find a contact at gmn or one of our representatives, domestically or abroad. Motor spindle safety system ms3 jakob antriebstechnik. Jul 10, 2019 highspeed spindles from gmn are designed for extremely high machining speeds in machining. Due to cooperation with technical universities and research institutes over the years, gmn is constantly optimizing spindle technology using the latest research data. Consult gmn s spindle technology overview brochure on directindustry. Mar 01, 2020 spindle repair service and spindle sales. The robust design and stiffness of each spindle cover a very broad speed range. Through this strategy, gmn manufactures a wide range of standard noncontact seals and customized solutions. Our precision spindle repair service facility offers repair, rebuild, recondition, refurbish and rework of spindles used in automotive, aerospace, aeronautics, military, tooling, machine tool, woodworking, plastic, stone, marble, granite, glass and ceramic industries.
This knowledge hub is full of downloadable charts, technical docs and selection guides that will answer questions and help you perform calculations. We rebuild belt driven, gear driven, and direct driven spindles. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. It is oil mist lubricated and capable of running up to 42,000 rpm. Representatives, knowledge partners in india for gmn. And when then happens, it could bring your entire operation to a standstill. High speed spindles for manual tool change gmn usa. High precision ball bearings limiting speed for spindle bearings the stable operation condition of a bearing is endangered as soon as the limiting speed is attained or exceeded. Gmn has been designing and producing precision machining spindles for more than 80 years. Northland tool ground plate ground the front bearing journal to oem specifications. Gmn precision spindles belt driven and direct motorized have been accepted world wide as the standard for precision on internal and universal grinders. For long maintenance free operation, deep groove bearings and spindle bearings are charged with lubricant ready for operation forlife lubrication and shielded sealed. Rotary spindle head combine rotary spindle with rotary table, has good precision and compact outward.
Within the range of the contacting areas between the balls and. Gmn spindle repair high speed technologies spindle. Call us today to talk about your spindle repair questions, 16034830333. Gmn high frequency spindles utilize hybrid ceramic ball bearings. Each senior technician has over 15 years of experience.
The argument is that there is no risk in using a oil with a viscosity higher than the minimum necessary for hydrodynamic lubrication all that happens is that the spindle runs at a higher temperature. We provide precision bearings, sprag clutches and noncontact seals to oems, spindle rebuilders and distributors in north america. In order to open a pdf file, you need adobe reader. Register for the worlds largest manufacturing technology forum for free today to stay in the know. A variety of solid lubricant coating is available for operation under vacuum. Gmn labyrinth seal cf 60 and cf 619 for spindle bearings seal series cf info. The example on the right shows a spindle where bearing 1 has a fixed location and bearing 2 has an outer ring thats free to move axially. Spindles and spindle systems can be commissioned by gmn technical personnel on request. Advantages of hybrid bearings compared with normal spindle bearings are.
High frequency spindle with integral asynchronous motor. May 25, 2012 in this video, rod explains the cause of failure, and what we did to fix this spindle. Click here to learn more about our makino spindle repair service or call us at 888 5896004 for a free quote. The young queen is haunted by the spectre of her wicked stepmother, a woman who was once the fairest in the land. With the improvements of power, load carrying capacity and stiffness in the hvx designs, the working range of single spindle is extended over the previous models. Gmn s reliability is derived from over this experience in design, use and manufacture of precision rotating. Based on our many years of experience in developing and manufacturing highquality spndle components, gmn has specialized in the area of spindles and the production of highperformance and robust products for various applications. Introduction to turning tools and their application identification and application of cutting tools for turning the variety of cutting tools available for modern cnc turning centers makes it imperative for machine operators to be familiar with different tool geometries and how they are applied to common turning processes. Ball coatings in lead or silver with a thickness of nanometers 109 m have resulted from various research projects and are the basis for the lownoise, lowvibration, particle free gmn bearing systems. Gmn spindle technology stands for quality and efficiency, and is wellsuited to your grinding, milling, drilling or special applications. Colonial tool group offers complete gmn spindle repair and rebuild services featuring highquality workmanship and fast turnaround times. The storage place has to be dry, dustfree and clean. This facility has worked extensively on okuma spindles.