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HIGH PRECISION CENTERLESS GRINDING MACHINES
Wide range of centerless grinders for high precision and production jobs that have been designed to easily incorporate peripheral equipment such as loading systems, measuring equipment and
coolant systems.
E - 315 FV
Component size (min-max) diam. (mm) 0,5 - 50
Grinding wheel dimensions (mm) 610 x 200
Main motor power (kW) 15
Gross weight (approx.) (kg) 8000 |
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| Simplify. With a ground-breaking project, BONELI's Smart 10 centerless grinder is unbeatable in performance. Designed to reach a new level in grinding, the machine simplified operations once complex. The result is a machine with much higher precision, easy to operate, lean, with low and simple maintenance and, best of all, a much lower cost. It is a intelligent machine. It is Smart 10. |
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RHC Series not only with the features of centerless grinding machine but also with design of spindle fixed elements, which is double support, big span and like hugging. It's not only to improve stiffness, but also make sure the stability of the spindle under heavy cutting.
* Roller and Ball Bearings Series (B Series)
The innovative advanced regulating wheel spindle does not require a flange and utilizes angular contact bearings and cylindrical roller bearings with double supports that firmly maintain spindle super precision rotation and rigidity.
* CNC Series
* Available with roller and ball bearings.
* Equipped with FANUC color screen, the latest technology in digital control systems. |
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Surface conditioning prior to surface coating or plating. Finishing of coated surfaces like HVOF spray coatings, chrome plated rolls, rubber coatings and ceramic coatings. Stripping of hard materials like ceramic or chrome plated printing rolls for quick rework. Fine superfinishing of rotogravoure rolls prior to copper plating or engraving. Grinding, polishing, superfinishing and microfinishing of pressure rolls, sleeves, anilox rolls or printing rollers used in the graphic industry
Center type dechrome, grind, polish and superfinish system
Workpiece diameter up to 500 mm / circumverence 1500 mm
Workpiece length 3000 to 8000 mm
Workpiece weightup to 2500 metric kg
Special sensible precise pressure adjustments for the finish process which is required for anlilox rolls and laser engraved nikel rolls.
Optional turning device
Optional corner and side grinding head
For dechrome operation in the printing industry
Optional automatic measuring tool for diameter
Siemens controls with NC controller
Axis control for convex or concave grinding operation
Enhanced tolerance optimization by software
Wet grinding system with closed loop filter
Dry grinding system with enclosed machine and dust extraction
HSD system is available in open design and enclosed design for
highest demands in safety, quiet comfort and clean environment
Special versions in corrosion proof design
Optional automatic load and unload systems by crane
Optional process control connection for automated production cells |
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HIGH PRECISION FLEXIBLE EXTERNAL GRINDING MACHINES LG / FG
Linear motors technology.
Granite bed.
Hydrostatic slide ways.
Direct transmission on rotary axes.
Minimum set up time.
Possibility of combination of conventional abrasive and high speed grinding.
Ideal for cam grinding, ultra precision hydraulic parts, cutting tools, automotive components. One part one set up.
LG FG
Distance between centres (mm) 400 600
Wheel peripheral speed (m/s) 120 120
Max. Diam. to be ground (mm) 300 300
Max. Weight between centres (kg) 80 80 |
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| The HG series is designed to cover all external cylindrical grinding requirements. This includes shaft-type components for gearboxes, hydraulics equipment, electric motors and compressors, wind power generators and many more. With four grinding lengths and two center heights to choose from, the user is able to select the most advantageous option to suit his particular workpiece geometries. |
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QUICKPOINT's great advantage: This technology can be used for a wide range of applications in combination and combines this with extremely high productivity. Compared with conventional OD grinding - especially when grinding Tungsten Carbide - the QUICKPOINT method can
increase productivity by up to 600%!
QUICKPOINT grinding is a high-speed “peel grinding” process based on point contact between grinding wheel and workpiece. The QUICKPOINT process requires highly
wear resistant CBN or diamond grinding wheels which are typically only a couple of millimeters wide. Tilting the abrasive wheel to the horizontal workpiece axis creates a
relief angle that reduces the contact zone between abrasive wheel and workpiece from a contact line to a contact point. |
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The JUCAM series unround grinding machines from JUNKER are a versatile solution for complete machining of camshafts. All cam contours are covered:
• cylindrical
• concave/convex
• with/without chamfers
• with/without radius
• with tangent
• polygon/elliptic
Depending on the type of machining and the production quantity you need, JUNKER designs custom platforms and wheelheads and installs them on your JUCAM machines.
Cams, bearings, ends, thrust bearing shoulders, and camshaft adjustment seats can be ground in one clamping by JUCAM unround grinding machines. The use of
CBN grinding wheels makes rough grinding possible as well as precise finish grinding. These machines are not only used in the automotive industry but also in the textile
and pump industry as well as in cutting tools and gun drills. |
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The JUCRANK oscillating grinding machines from JUNKER are a versatile solution for the complete machining of crankshafts. You can machine all types of crankshafts from single-cylinder to twelve-cylinder crankshafts. Depending on the type of machining and the production quantity you need, JUNKER designs custom platforms and wheelheads and installs them on your JUCRANK machines.
JUCRANK oscillating grinding machines are the solution for almost all grinding tasks in crankshaft machining. You can
grind main bearings (cylindrical, concave, convex) and pin bearings (cylindrical, crowned, concave, and convex) in a
single chucking. Even hardened fillets can be ground. Furthermore, JUNKER can provide you with almost any imaginable combination with other grinding processes. Depending on your combination of machines, you can also machine thrust walls, flanges and journals using other JUNKER machines. |
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CNC-Grinding Centre S22E-turbo and S22E-NUM
Economic high-efficiency CNC grinding
- 5-axis grinding centre
- Patented vertical design
- 8-station wheel changer as standard feature
- Heavy-duty 10 kW drive power
- Rapid traverse rates of 12 m/min in the linear axes
- Direct drive of the A-axis with up to 500 rpm
- Ultra-modern PC control
- PickUp loader with disk-type magazines or chain loader with 155 variable tool locations
PickUp-loader
- Integrated in the machine
- Variable disk or disk-type magazines
- Capacity: 30 to 45 workpieces
- Workpiece diameter up to 16 mm
Chain loader
- Room-saving machine attachment
- Capacity: 155 workpieces
- Loading and unloading possible during the automatic mode
- Workpiece location coding
- Changing time: 12 sec |
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S 400 GS
Designed to grind shaving cutters and master gears using the generation method, the S 400 GS is the fourth generation of its kind and sets new standards in terms of precision, reliability and user-friendliness. Samputensili interpolation software calculates the profile to be ground and coordinates the linear movement of the transverse slide with the rotary movement of the work spindle. The resulting roll motion is steplessly adjustable in terms of the roll diameter, and indexing blocks are no longer required. Roll motion and index movement are now numerically controlled and both generated by the same motor. All movements are actuated by linear and rotary digital drives. An integrated measuring unit automatically checks the quality of the first tooth ground without having to unclamp the workpiece and waste precious time.
NEW – the S 400 GS is now available with an eleventh CNC axis. This new axis makes it possible to grind larger tooth widths whilst enhancing the quality of the finish. Moreover, machine set up is also quicker. Why set yourself limits? We look forward to illustrating the advantages of the new S 400 GS to you.
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Machine bed is made of high quality-"MEEHANITE" cast iron, which is heat-treated and precision ground, to ensure the machine stable and durable.
All slide beds adopt automatic static pressure lubrication system so that all the slide ways will move smoothly with good torsion and ensure the best accuracy.
High accuracy & performance with automation programmable plunge grinding cycle, i.e. rough grindings -> finish grinding -> dressing cycle automatically.
It leads to easy operation, increasing the productivity and shall be the most suitable to the components for mass production, as well as to the multiple workpieces with less quantity demand.
Wheel head spindle driven by high accuracy roller bearing which will keep the highest stiffness and quiet peripheral speed.
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| The S151 is a powerful, compactly designed machine whose wide working range facilitates internal and external grinding operations up to a diameter of 300 mm. The large accommodating capacity of the sturdy workhead and the double spindle turret open up wide areas of application, making the machine suitable for complete machining in one setup. |
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IPRO: Internal Cylindrical Grinding Systems
Single- and multiple spindle configurations for high precision internal cylindrical grinding and face super-finishing operations.
All the possibilities for precision processing of your workpieces
IPRO twinner
Double output on a single machine
IPRO finish
Integrated grinding and finishing processing
Optimal Configuration:
Let us develop the solution for your project! |
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Multiple functions for high-precision grinding
of any configured faces
Combined grinding of internal and o.d. diameters and endfaces
at one chucking
Feed-hold function readly permits cycle stop and verification of
location and dimensions.
Easy operation
Programming is simply by conversational software.
Instruction of table position and feed start to be made through key
operation and teaching system
New and powerful with interrupt function and versatility
Possible to change dressing interval, cycle stop and feed retraction
during automatic grinding cycle.
Easy correction of cylindricity and taper. |
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Twin grinding spindles configuration for internal and cylindrical grinding in one machine to eliminate repetitive chucking error of workpiece.
* Upgrading production efficiency up to 40%! Without changing workpiece from internal grinding to cylindrical grinding.
* Guarantee accuracy, circularity and concentricity! Without repetitive chucking error of workpiece.
* Cost Down for equipment investment! One machine can meet your requirement of internal and cylindrical grinding.
* Maximum 10 faces grinding in one cycle.
* Automatic design is suitable for mass production.
* Maximum cylindrical grinding diameter: ø 320 mm
* Range of internal grinding diameter: ø 6 - ø 120 mm |
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The EJ 29 silver is an O.D. grinder that can also perform I.D. grinding. And the efficient Fanuc CNC control system guarantees precision and productivity second to none. The EJ 29 is now available as a special model silver: with an inside diameter grinding function, extended features and extensive service – all for the price of a standard OD grinding machine.
The EJ 29 silver is the ideal universal grinding machine for
sub-contractors, small-batch producers, and machine manufacturers. For outer and inner diameter grinding in small-scale or single-piece production or in serial operation of larger lots. Even manual grinding is possible using the separate hand wheels to control the X- and Z-axis. The EJ 29 silver combines a high degree of flexibility with low operational costs and offers everything that is important for sub-contract grinding:
• Top machining quality
• High productivity
• Minimal idle times
• Ease of handling
• Fast tool changing
• Small space requirements |
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KEL-VERA
The on-going consequent development has led to the introduction of this extremely compact machine which is based on a visionary modular concept. The new design of the hydrostatic guideways is meeting even the extremest requirements on universal as well as on production grinding.
Building-up on their experience of more than 15 years with hydrostatic guideways KELLENBERGER is launching a completely new range of machines. The objective rigorously striven for had been to develop a compact machine which can be used for the grinding of any kind of components with a length of up to 400 mm.
The concept is based on platforms for the table slide and wheelhead supports, and also for applications where the table slide is the direct starting basis. The new machine models are offered in their standard configuration. Application- and customers-specific versions, however, are also available. The new very rigid hydrostatic guideways provide the basis for higher performance and dynamics in the X- and Z-axes. Further, the productivity and precision on unround grinding are significantly enhanced.
As an option automatic loading and unloading systems, integrated into the machines, can also be delivered. |
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The S33 is designed for the grinding of medium-sized workpieces in individual and large series production operations. It can be automated and is especially suitable for use in the tooling and precision mechanics sectors, for example. With the various accessory kits, such as measuring control, balancing system and gap elimination, it can easily be adapted to new grinding jobs.
Distance between centres of 650 (25.6") or 1000 mm (39.4") |
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CPRO: Combination Systems for external and Internal Cylindrical Grinding
CPRO Grinding Machines offer a usable grinding length up to 200 mm (with model CPRO 2 up to 400 mm) and a multiple axes set-up for simultaneous processing of internal and external grinding.
Multiple axes set-up for grinding for simultaneous processing of internal and external part features within a single part. |
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New to our product range this toolshop/medium production cylindrical grinder is a highly competitive, cost effective machine, ideally suited for small to large batch production.
Available in two grinding length capacities of 650 and 1000mm it has been specifically designed to offer unrivalled ease-of-use coupled to the highest levels of productivity.
Incorporating a GE-Fanuc® ‘Touchscreen’, used to access our own simple and fast-to-set 'Easy' software, coupled with membrane-type touch keys and electronic handwheels, either of these ‘Self Teach’ grinders will enable inexperienced and experienced operators alike to be immediately more productive.
An additional bonus comes from each models automatic dressing and grinding cycles which means they can be quickly set, then left unmanned. |
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IGM
Inside cylindrical surface grinding
Multiple functions for the safe and highly precise loop of different diameters and faces
Combined sanding of interior and outside diameters as well as
Front surfaces in a setting
The feed stop function permits a rapid cycle stop and
thus a possibility, a workpiece situation and dimensions again
to examine
Easy operability
Under the Konversationssteuerung are none
Programming knowledge necessarily.
Input of the table position and working on positions takes place over
the Teach in input.
Again and strong with interruption functions and more versatile processing options
During the automatic cycle both the feed values and the straightening cycle can modified
become.
Zylindrizität and taper can be corrected simply and fast.
Additional equipments
Cooling agent plant
Cheek fodder (manual and hydraulic)
Rotary arbor (10,000 - 60.000)
Photograph thorn according to desire
1-Pkt. Profile dressing tool
Execution with 2 rotary arbors
Working place light fixture |
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Drake GS:TI (Grinding System: Thread Internal) grinds threads on internal diameter of such parts as ball nuts, steering nuts, spindles, etc. A perfect companion machine to the GS:TE ... with size control to ± 0.000,2".
Drake Internal Thread Grinders give you quality parts from day one and repeatable precision over the length of the run. |
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Vertical Turning and Grinding Center: VSC 400 DS / DDS
These turning and grinding centers combine the advantages of vertical hard turning with those of grinding. They hard pre-turn, grind internally and externally and load and unload workpiece-specific and with great flexibility. |
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Both these processes compete with each other. However, in several areas, the two processes also superimpose each other. For this reason, combining their strong points seems to be the most practical strategy to design the machining tasks more effectively.
Economically, grinding is the most efficient solution among fine machining processes. Hard turning - on the other hand - is preferred in cases where the quantity of removed material is higher.
The CombiGrind is a fully capable internal and external grinding machine grinder with high performance grinding units, efficient dressing technology and effective coolant and lubrication systems.
At the same time, it is also a turning machine with rigid tool holding fixtures and an appropriate working area specially designed for efficient chip removal.
Flexibility
The option of using different technologies in one machine forms the basis of an extraordinary wide range of applications spectrum. The number and positions of the workpiece can vary within a defined framework. The manufacturing process can be optimised to suit to the application by using various turning tools.
If new components are introduced to your production line CombiGrind can be re-configured for the new machining tasks. And if an increase in capacity becomes necessary, parallel machining can be implemented using individual machines. All plus points to safeguard your capital investment. |
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Cylindrical grinding machines
