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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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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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HIGH PRODUCTION CYLINDRICAL GRINDING MACHINES CG / PG
Large capacity wheels.
Automatic loading.
Multidiameter in-process absolute gauging unit.
CNC controlled tail stock.
Hydrostatic technology.
Medium / large size batches.
Automotive components.
Flexible production.
PG CG
Distance between centres (mm) 1000 1000
Height of centres (mm) 225 125
Max. Admitted weight (kg) 125 500
Wheel size (mm) 610 x 80 (160) 760 x 100 (250)
Wheel peripheral speed (m/s) 60 / 80 60 |
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KEL-VISTA – The economical universal CNC machine
KEL-VISTA – The machine offering an optimal view on the grinding process, economical, innovative in set-up and operation.
Designed for use in highly demanding tool- and mouldmaking, in machine and prototype construction, in maintenance workshops, laboratories, for economical small and medium batch production, or, in other words, wherever flexibility, precision and cost-effectiveness are indispensable.
The KEL-VISTA is designed to be a cost-effective CNC-alternative to hydraulically-controlled cylindrical grinding machines. Programming knowledge is now no longer necessary, thanks to the simple, user-friendly Kellenberger menu-based programming. The KEL-VISTA has been very compactly designed with coolant tray which is separated from the machine base, an integrated transport system and swivelling upper table. The swivelling workhead is suitable for grinding between dead centres and for chucked work, is a further example of the machine’s progressive design. The thermally-optimized bearings guarantee the highest roundness and dimensional accuracy.
High lights of the KEL-VISTA
Excellent visibility of the grinding process
Due to the ideal arrangement of the viewing windows and centre height. |
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The S36 with the cross-slide concept is extremely compact and economical in terms of space requirements. It can be automated and proves itself on a daily basis in tough production operations at renowned automobile supply companies.
Centre height 175 mm (6.9"): Centre distance 1000 mm (39.4") |
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The basic concept of the S12 with a distance between centres of 150 mm, a height of centres of 175 mm and a grinding wheel diameter of 500 mm has been targeted at precision without compromise.
The heart of the machine is a asked on high precision positionable linear motors completely new, patented drive/guide system b. The extremely rigid slides with hydrostatic bearings are magnetically pre-tensioned. The in-feed movement can be programmed in 10-nanometer steps. |
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| Landis fully programmable CNC Plain 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. |
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| Profile Grinding Machine designed to grind straight and helical external gearings on cylindrical workpieces and all other profiles and forms that can be ground by applying the single-indexing method. |
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The GA CNC Series are unique models of angular cylindrical grinding machines by PARAGON are suitable for long, multi-steps, and profile cylindrical grinding, up to 0.1 µm positioning accuracy, which offer the best choice for high accuracy. The main features are as follows:
* Equipped with FANUC color screen, the latest technology in digital control systems.
* Multi-function, high roundness Workhead
* Hydraulic and manual adjustable Tailstock
* High rigid Machine Base with Hydrostatic Lubrication on guideways
* Heidenhain sub-µm Linear Scale with closeloop feedback
* X/Z axes have high torque Servo Motor directly coupled to the class C1 Ballscrew (ø 40mm) |
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Hydrostatic guides in the X- and Z-axes, combined with strict separation of the machine base from components which generate heat or vibration, provide extreme accuracy. Also includes many new features. Some NEWS at a glance:
- Panel
- Heidenhain GRINDplusIT CNC Control System
- X-Z-C-axes feature more powerful drive motors
- KEL-TOUCH
- KEL-BALANCE
- In-process gauging systems Movomatic or Marposs |
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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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Internal and Face Grinder VG 110
This vertical automatic for small and smallest chucked components allows you to hard pre-turn, grind internally and externally and load and unload workpiece-specific and with great flexibility on a single machine. The component is pre-turned and then internally and externally finish-ground in a single set-up, using one or two spindles. |
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- Modular Wheelhead variants:
UR, R.
Centre height: 175 mm
Distance between centres: 600 or 1000 mm
- UR-Wheelhead for external, internal and face grinding in one set-up. Fitted with a high-resolution B-axis, as standard.
- R-Wheelhead for external cylindrical grinding.
- C-Axis on workhead for grinding of profiles
and threads.
- Rigid internal grinding attachment for UR-Wheelhead for use of HF-internal grinding spindles.
- Hydrostatic guideways for Z-and X-axes movements, as standard.
- Various software packages such as for the generation of dressing programmes (profiling of grinding wheels). |
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The GU Series are compact universal cylindrical grinding machines by PARAGON, and can achieve up to 0.1 µm positioning accuracy. They are suitable for long, multi-steps, and profile cylindrical grinding. Along with the optional internal grinding unit attachment, they provide more flexibility and offer the best choice for your needs. The main features are as follow:
* Grinding wheelhead spindle with unique Hydrostatic Bearings
* Multi-function, high roundness Workhead
* Hydraulic and manual adjustable Tailstock
* High rigid Machine Base with Hydrostatic Lubrication on guideways
* Heidenhain sub-µm Linear Scale with closeloop feedback. |
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KEL-VITA
The perfect CNC universal grinding machine
- Multiple Wheelhead configurations to give ultimate flexibility
- Linear glass scales as standard on X- and Z-axes
- Ultra high power driver system giving surface speeds of up to 63 m(s (Option)
- Large viewing windows for optimum operator input
- Latest Fanuc 310is-A control system |
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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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| 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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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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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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HIGH PRECISION INTERNAL GRINDING MACHINES ID / IRD
High precision and high stability internal grinder.
Granite bed and linear motors technology.
Radius grinding.
Powerful software for form grinding.
In and post-process gauging.
Bearing industry.
Dies for cans, batteries, and cutting tools insert manufacturers.
ID-200 ID / IRD-400 ID-600
Internal Grinding diam. (max.) (mm) 80 200 460
Internal Grinding length. (max.) (mm) 80 160 / 190 300
Workpiece swivelling diameter (mm) 200 300 / 400 600
Grinding length (max.) (mm) 80 160 / 190 400
Workpiece weight (max.) (kg) 30 80 / 170 170 / 280 / 400 |
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CILYNDRICAL GRINDING MACHINES FOR LARGE PARTS HG-72 / 92
Universal grinding machines.
High capacity.
Very high precision.
Hydrostatic technology.
Multidiameterabsolute gauging systems for in-process/post-process measuring.
Printing rolls, Steel rolls, Gas and Wind turbines shafts. Motor shafts.
Very high precision shaft and gears.
HG-72 HG-92
Distance between centres (mm) max. 4000 max. 6000
Max. weight between centres (kg) 1500 5000
Max. grinding diameter (mm) 640 850
Max. wheel diam. (mm) 910 1015 |
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- The universal wheelhead U has been designed for OD-, face- and ID-grinding in a single set-up.
Height of centres adjustable from 175 to 250 mm.
Distance between centres from 600 to 1500 mm.
- Manual swivelling of the wheelhead on air cushion.
- The workhead is designed for a working capacity of up max. 150kg (330lbs) between centres or of up to 1600 cmkg (1380 lbs in) for components taken up in chucks.
- The wide range of assessories available for the KEL-UNIVERSAL machines are comprising solutions for most of the up-coming grinding applications. |
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| The S20 is designed for the grinding of workpieces in individual as well as small and large series production operations. It is ideal in all sectors where small precision components are produced. It is very easy to operate and the machine can be reset within a very short time. |
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The GU Series are compact universal cylindrical grinding machines by PARAGON, and can achieve up to 0.1 µm positioning accuracy. They are suitable for long, multi-steps, and profile cylindrical grinding. Along with the optional internal grinding unit attachment, they provide more flexibility and offer the best choice for your needs. The main features are as follow:
* Grinding wheelhead spindle with unique Hydrostatic Bearings
* Multi-function, high roundness Workhead
* Hydraulic and manual adjustable Tailstock
* High rigid Machine Base with Hydrostatic Lubrication on guideways
* Heidenhain sub-ìm Linear Scale with closeloop feedback. |
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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 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 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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