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Cylindrical grinding machine CNC of production.
Series GL particularly adapted to the mass and series productions, is made up of allied machines of great robustness to a very high degree of accuracy.
Our range GL very largely used by the aeronautics and automobile manufacturers.
The GL are declined in many versions, in particular with divings right or oblique and grinding stones CBN or conventional.
The lubrication of the ball slides and screws is carried out in closed circuit, thus getting a powerful and economic greasing.
They offer a great flexibility and are configurable made-to-order according to the requests of our customers.
Numerical control GC50 developed by our engineers proposes a very convivial interface HMI, with touchscreen in color and a multitude of preprogrammed cycles very easy to exploit.
The cycles of correction suggested are configured in conversational conversation mode, the procedures of change of grinding stone, of adjuster or locator are extremely simplified and detailed with the screen stage by stage to avoid any error.
Of series a car-calibrator TOYODA is proposed thus that a side locator.
The implementation and the changes of series are of a great simplicity, the access to the elements of catch of part and the tools such as the grinding stone and the adjuster are optimal for rapid interventions and without risk.
Finally the capacities suggested go 250 mm between-points up to 2500 mm, and 60 mm in diameter usinable to 300 Misters.
For a detailed description and supplements we invite you to consult booklet pdf in appendix or to contact us.
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One of the JUNKER core competencies is grinding with
CBN wheels. JUMAT OD grinding machines can be used
for individual or combined grinding operations in
straight and/or angeled infeed method:
• Diameter
• Plane shoulders
• Undercuts
• Flutes
• Tapers
• Chamfers
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The Okuma line of I.D. and O.D. cylindrical grinding machines is the result of more than 60 years of experience designing grinders that meet the precision needs of industry. Okuma grinders feature a hydrostatic spindle which runs a film of oil, assuring a greater transfer of horsepower to the cut. These high performance grinders can be fitted with a wide range of options and third party accessories making them easy to integrate into production lines.
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The Okuma line of I.D. and O.D. cylindrical grinding machines is the result of more than 60 years of experience designing grinders that meet the precision needs of industry. Okuma grinders feature a hydrostatic spindle which runs a film of oil, assuring a greater transfer of horsepower to the cut. These high performance grinders can be fitted with a wide range of options and third party accessories making them easy to integrate into production lines.
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With the widest array of production cylindrical grinders in the industry, Toyoda provides CNC and standard machines, as well as specialized technology for engine manufacturers which includes cam and crankshaft grinders. The Detroit facility specializes in refurbishing cylindrical grinding machines of any make or model. In-house design engineers, journeyman machinists, master builders and electronics technicians blend their talents to create total performance grinding systems.
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MicroCenter 31
For the machining of glass scribers (flat screen market)
Automatic outer diameter and concentricity grinding machine with a 6-axes robot for tungsten carbide and PCD glass-scriber
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MicroWire
Machine for wire grinding from coil to coil
The machine is used for conical and cylindrical grinding of wire coil or rods. Through its technology, it is possible to find several flutes or other geometries, even in the micrometer range.
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MicroCenter 21
For highest concentricity requirements
Automatic outer diameter and concentricity grinding machine for ferrules, tubes, canons, with a reachable concentricity value from the bore to the outer diameter of < 0.5 µm
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High-standard cylindrical grinding
The CNC O.D. grinding machine EJ is the state-of-the-art machine based on the most recent findings in the field of grinding technology. Experience in cylindrical grinding, latest design and state-of-the-art CNC technology were combined in order to meet the customers’ requirements. An efficient and flexible machine concept for any grinding application suitable for small or large scale production.
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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 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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MicroGrind 21
Front and back end grinding
Universal grinding machine for front- and back-end grinding, chamfering, V-bore as well as step ferrules
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Max Part Size: Swing 12.6 in (320 mm)
Center distance 39.4 in (1,000 mm)
Max grinding diameter ø11.8 in (ø300 mm)
Max load between centers 330 lb (150 kg)
External Grinding Wheel: Wheel spindle bearing Hybrid-type Toyoda STAT® bearing
Wheel drive motor 10 hp (7.5 kw)
Max wheel size (OD x ID) ø20 x 8 in (ø510 x 203 mm)
Max wheel width 2.95 in (75 mm)
Wheel surface speed 8,500 sfpm (43 m/sec)
Wheelhead: Wheelhead rapid feed (infeed) 394 ipm (10 m/min)
Wheelhead feed drive motor 1.75 hp (1.3 kw) brushless servo
Wheelhead slide type V & flat
Wheelhead min. move increment 0.000004 in (0.0001 mm)
Wheelhead angle settings 90° / 30°
Control: Toyoda GC32G2
Table: Table structure Two piece swiveling/traversing
Table swivel (CCW to CW) 10° - 0°
Table rapid feed 394 ipm (10 m/min)
Table feed drive motor 1.75 hp (1.3 kw) brushless servo
Table slideway type V & flat
Table stroke 50.3 in (1,270 mm)
Table min. move increment 0.000004 in (0.0001 mm)
Workhead: Workhead type Dead
Workhead center taper MT #4
Workhead spindle speed (variable) 16 - 500 rpm
Workhead drive motor 1 hp (0.8 kw) brushless servo
Footstock: Footstock type Manual
Footstock center taper MT #4
Footstock max. center retraction 0.98 in (25 mm)
Machine Size: Floorspace 178 x 77 in (4,521 x 1,956 mm)
Net weight 11,000 lb (4,990 kg)
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The Haro Starline PLUS is the very latest development of Haro Technologies for the grinding of complex tools. The machine has been designed early 2007 and announced and demonstrated at the EMO exhibition in September 2007.
The Haro Starline Plus, a 6 axis machine, is build up on the same proven technology (same machine bed, same slide connection, structure and kinematic) as the Haro Starline 550. The 5ft and 6th axes are positioning slides built on a so-called ROTARY axis and allow any suitable angular position of the tool facing the grinding spindle. A Siemens CNC SINUMERIK 810 D is controlling the axis interpolation.
Power at grinding wheel may vary from 3,8 to 20 KW. The Starline PLUS can therefore be used for both sharpening and/or producing tools.
HARO STARLINE 3-6 axis best price/performance NC, grinding & manufacturingA new cover has been designed in such a way that a powerful cooling system (120L/min) may be implemented while the operator still has an easy access to the job area.
Specialized tool boxes and various options (Wheel dressing, tool and/or grinding wheel loader) are components available for manufacturing the system meeting the most demanding user requirements.
Haro Technologies is herewith surpassing the expectations of the 5 axis market. Unbeatable lifetime and robustness are offered as the Haro Starline PLUS is set up with the proven Haro machine structure.
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The ShaftGrind Series offers many advantages, for example in the field of
high-productivity CBN grinding solutions.
Plunge and longitudinal grinding and high-speed rough grinding (HSP grinding) are all used here. In terms of plunge and longitudinal grinding using CBN wheels, the solution featuring a inprocess measuring system offers a high degree of flexibility and extreme precision, even when
processing large components. The non-round package and the WOP-G programming system mean that processing involving both cylindrical and non-round grinding (concave and convex forms) on a single workpiece in a single clamping operation with a very high level of precision have become a reality. From just a few data, the WOP-G programming system defines harmonious speed profiles and thus constant cutting conditions.
The combination of the ShaftGrind Series with high-speed grinding (HSP grinding) allows a high level of productivity with small batch sizes and small families of components. The amount of retooling and adjusting work is minimised thanks to the use of standardised grinding tools and extremely simple workpiece synchronisation.
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The Giustina Evolution™ is a high-speed CNC peel grinder that delivers flexibility and precision fast.
Key Features Include:
* Plunge and Traverse peel grinding of multiple part features in the same cycle
* Part-to-part changeover in less than a minute
* CBN productivity and CNC flexibility
* Wheel speeds up to 250 m/sec.
* No part drivers required
* Utilizes vitrified or plated CBN wheels
* Typical wheel life - 100,000 parts or more
* Workhead spindle mounted rotary diamond dresser
* Simple, CNC part programming
* Choice of SIEMENS or FANUC CNC control
* Worldwide Cinetic Landis service and support
Typical Application:
* Tripod spiders
* Transmission shafts
* Balance shafts
* Gears
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Cinetic Landis fully programmable CNC Plain and Angle Grinders are ideal for medium-to-high volume production cylindrical grinding. These grinders offer the flexibility to do skive grinding using a narrow wheel and traversing table, stitch grinding for plunging multiple diameters, or traverse grinding of straight diameters.
The Landis CNC Plain and Angle grinder is a cylindrical grinding machine designed for high production grinding of concentric or eccentric parts. This value-engineered grinder has been designed using Finite Element Analysis techniques to combine the superior output potential of a flexible grinding system with maximum cost effectiveness.
The Landis CNC Plain and Angle grinder is available in either straight or angle wheelhead models. The angle head model is especially cost-effective because the ability to use up to a 760mm diameter wheel significantly increases wheel life in angle grinding. The Landis CNC Plain is the ideal machine for grinding a wide range of parts including concentric power steering components, transmission-type parts, small camshafts and small crankshafts.
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The Haro Broachline is a range of flexible and accurate broach grinders for grinding or producing round, flat, helical or rack broaching tools. With its 4 to 6 axis capability and longitudinal strokes varying from 500 to 3200 mm this CNC-controlled grinding machine can be used for diverse applications.
The Haro Broachline has actually been developed in cooperation with broach manufacturers in order to respect the specific technical characteristics and constraints attached to this type of tools.
This Haro series has moreover specifically been designed for multi-broach grinding or cutting from solid. The provided software application allows the user to produce a broach with a single adjustment.
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Multimatic I/E CNC has been designed for the simultaneous grinding of bores, shoulders and external diameters and is particularly suitable for grinding big lots of pieces.
The wheel carriages slide on preloaded hardened guideways, with needle bearing interposition and the movement of the axes, by means of brushless motors, is transmitted by high precision ball screws.
The internal grinding unit, with two CNC controlled axes, can carry out a number of grinding operations: internal diameters and/or shoulders, plunge cycles with CNC dressed wheels, etc. The external grinding unit is equipped with two CNC controlled working axes, at an angle to each other.
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The FlexGrind Series provides a wide range of users with solutions for a very wide range of grinding tasks in the fields of external, internal and non-round grinding. As a table-type carriage machine, it offers advantages in terms of precision, flexibility and stability. Thanks to its wide variety of available options it can cover the entire range of possible applications, from a dedicated single-purpose machine to a universal machine.
Highlights
> Complete processing on the in- and outside, in a single clamping operation
> Conventional plunge and longitudinal grinding using corundum grinding wheels
> No need to change grinding wheels to accommodate different workpiece requirements
> Cylindrical and non-round grinding of different profiles on the machine
> Compensation for thermal influences and elastic deformations by means of measurement- controlled grinding and subsequent dimensional check and recording using the easy-to-program DIATRONIC system
> Consistently high-precision positioning
> Linear position measurement transducer on all technical axes
> High rigidity for large workpiece masses thanks to revolving centres
> Float-free workpiece drive for non-round grinding
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The Haro Slabline is a range of grinders capable of grinding very large tools as slab mills. Oversized tools both in dimension as in weight can be totally or partially grinded on this machine with accuracy that can exceed industry standards.
Featuring 1100 to 3200 mm longitudinal strokes, the Haro Slabline can manage 4 to 5 axis and is implementing the KAPP technology: a unique point of grinding is served by one wheel addressing all angles while only the work piece is moved across the grinding area.
Changing heavy tools is optimized by a special positioning system with sensitive fingers assisting the operator in piece manipulation.
The mechanical stability is ensured by the large and solid machine bed made of a narrow structure cast iron. The frame design eliminates vibrations and integrates a path for cooling liquids.
The Slabline is a unique and unsurpassed grinder in both accuracy and capability of processing oversized tools.
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LVA Plain and Angle Grinders
Dedicated or flexible CNC grinding for small to medium components. Internal diameter bore grinding capability.
750mm & 1,500mm shaft length options.
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The Landis LT1 Tripod Grinder is a lean, flexible machine for precision grinding of automotive tripod components at high production levels. It is an extremely compact and economical CNC grinder that delivers Cinetic Landis's renowned accuracy and reliability.
Key Features Include:
* Compact, self-contained design with low center height requiring 25% less floorspace
* Rigid, FEA-optimized cast iron bed
* Linear motor driven hydrostatic wheel feed system
* Motorized, hydrostatic high-speed spindle
* Powerful, easy to use PC-based open architecture control
* Optimized for use with CBN abrasives
* Easy access for one-person wheel change
* Automatic load/unload system
Typical Application:
Component: Tripod
Operation: Finish grind (3) profiled diameters
Material: Steel
Condition: 59 - 63 HRC
Stock removal: 0.3mm maximum on diameters
Surface finish: R3.2
Coolant: Neat oil
Wheel size: 350mm diameter (CBN Vitrified)
Wheel speed: 200M/sec. maximum
Cycle time less l/ul: 19.75 secs
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The Haro Starline Top has been developed as a world class CNC grinder to be used either for grinding/sharpening as for intensively producing very high precision tools.
The Haro Starline Top was first designed for making/sharpening straight and helical fluted hobs. Further implementations allow a perfect sharpening of pinion or gear tools as Fellow, Lorenz, Gleason tools, shaving cutters,…
Recent enhancements introduced the ability of grinding gears with very high precision (actually achieving a Class 4 quality level).
The Haro Starline Top is made of 2 models named 700 and 1000 for different lengths of the longitudinal X-axis.
The quality of this product range is based on:
* the mechanical stability due to the large and solid machine bed made of a narrow structure cast iron (same basis as the Slabline);
* all linear axis as the rotational encoder being equipped with Heidenhain glass scale(quality 3µm).
* a sophisticated software toolbox developed on the SINUMERIK 840Di automation technology. 5 axes X-Y-Z-A-C and 3D interpolations are managed by this powerful program.
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Its table-type construction offers a very high level of rigidity. The moving axes are deliberately positioned one above the other. The tray system / the integration of bed and assembly cooling systems allows temperature stability to be achieved inside the machine. Thermal influences and elastic deformations that occur nonetheless can be compensated through measurement-controlled grinding and subsequent measuring and recording using the easyto-program DIATRONIC measuring system.
The high degree of universality of the machine system means that production in a single clamping operation is possible. When grinding
heavy workpieces, the excellent rigidity of the system as a whole is maximised by the compact, revolving tailstock quill. When grinding
non-round contours, the float-free workpiece drive is of great advantage. Measurementcontrolled grinding allows extremely precise results to be achieved even at grinding lengths of more than 3,000 mm. To this end, there are linear measurement systems integrated into all of the technical axes. Using a high-precision B-axis allows spot-precise taper grinding.
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GE4 Cylindrical Grinder
Max Part Size:
Swing 12.6 in (320 mm)
Center distance (GE4A/P-50) 19.7 in (500 mm)
Center distance (GE4A/P-100) 39.4 in (1,000 mm)
Center distance (GE4P-150) 59 in (1,500 mm)
Max grinding diameter ø11.8 in (ø300 mm)
Max load between centers 330 lb (150 kg)
External Grinding Wheel:
Wheel spindle bearing Hybrid-type Toyoda STAT® bearing
Wheel drive motor 5 hp (3.7 kw)
Max wheel size (OD x ID) (GE4A's) ø18 x 5 in (ø457 x 127 mm)
Max wheel size (OD x ID) (GE4P's) ø16 x 5 in (ø406 x 127 mm)
Max wheel width 3 in (76 mm)
Wheel surface speed 6,500 sfpm (33 m/sec)
Wheelhead:
Wheelhead rapid feed (infeed) 394 ipm (10 m/min)
Wheelhead feed drive motor
(GE4A's) 1.1 hp (0.8 kw) AC servo
Wheelhead feed drive motor
(GE4P's) 1.2 hp (0.9 kw) AC servo
Control: Toyoda GC32S (GC32G1 (GE4-M))
Table: Table swivel (CCW to CW)
(GE4A/P-50) 12.5° - 0°
Table swivel (CCW to CW)
(GE4A/P-100) 10° - 0°
Table swivel (CCW to CW)
(GE4P-150) 8.5° - 0°
Table rapid feed 394 ipm (10 m/min)
Table feed drive motor 1.8 hp (1.3 kw) AC servo
Workhead:
Workhead center taper MT #4
Workhead spindle speed (variable) 10 - 500 rpm
Workhead drive motor 1 hp (0.8 kw) AC servo
Footstock:
Footstock center taper MT #4
Footstock max. center retraction 0.98 in (25 mm)
Machine Size:
Floorspace (GE4A-50) 150 x 106 in (3,810 x 2,692 mm)
Floorspace (GE4A-100) 173 x 106 in (4,394 x 2,692 mm)
Floorspace (GE4P-50) 144 x 81 in (3,658 x 2,057 mm)
Floorspace (GE4P-100) 178 x 81 in (4,521 x 2,057 mm)
Floorspace (GE4P-150) 239 x 81 in (6,070 x 2,057 mm)
Net weight (GE4A/P-50) 8,800 lb (4,000 kg)
Net weight (GE4A/P-100) 11,000 lb (5,000 kg)
Net weight (GE4P-150) 13,000 lb (6,000 kg)
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Cinetic Landis fully programmable CNC Plain and Angle Grinders are ideal for medium-to-high volume production cylindrical grinding. These grinders offer the flexibility to do skive grinding using a narrow wheel and traversing table, stitch grinding for plunging multiple diameters, or traverse grinding of straight diameters.
The Landis CNC Plain and Angle grinder is a cylindrical grinding machine designed for high production grinding of concentric or eccentric parts. This value-engineered grinder has been designed using Finite Element Analysis techniques to combine the superior output potential of a flexible grinding system with maximum cost effectiveness.
The Landis CNC Plain and Angle grinder is available in either straight or angle wheelhead models. The angle head model is especially cost-effective because the ability to use up to a 760mm diameter wheel significantly increases wheel life in angle grinding. The Landis CNC Plain is the ideal machine for grinding a wide range of parts including concentric power steering components, transmission-type parts, small camshafts and small crankshafts.
Available in 250 or 350mm grindable lengths
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The Haro Sharkline is a 5-axis NC for both producing and grinding/sharpening complex tools. A very powerful software toolbox has been developed for exceeding the market demand in terms of managing tool complexity.
A patented gantry beam design allows all angular and cross positioning for the wheel without any restriction. With its 500 mm longitudinal and cross stroke, this product is designed for grinding or cutting from solid, for producing complex tools and tool tips with a single adjustment…
High speed spindles are adjustable step-less from 3’000 to 18'000 RPM and powered from 3,5 to 10 kW. The HARO grinding spindles with double output shaft are greased for life and water cooled. Their magnetic and dynamic balancing is so accurate that surface quality of Ra 0.03 µ can be reached. Their compact volume increases the possibilities of the grinder as well as its capabilities, makes settings easier and provides a better visibility.
The NC control is based on Siemens technology (SINUMERIK 840 Di)and will take advantage of our experience based grinding software.
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Vertical grinding machine with 3 electrospindles
CNC-rotation of the spindle-holder turret
Automatic balancing of all the spindles
Fixed diamond
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