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Cinetic Giustina double disc grinders are field proven because they are backed by more than 150 years of engineering experience in designing and manufacturing production grinders and special grinding machines for a multitude of industries worldwide.
This series of double disc grinders are high production and an efficient solution for processing flat and parallel surfaces at the lowest per piece cost. Various working modes include rotary, through-feed, reciprocating, continuous and plunge grinding mode which are selected according to process requirements. Available in vertical or horizontal axis type.
Horizontal axis machines are ideal for grinding gearbox faces, connecting rod faces and plunge grinding for piston rings. Available in grinding wheel diameters from 450 to 1050 mm and with wheel spindle power up to 100 kW.
Vertical axis machines are ideal for plunge grinding of gear faces, bearing race faces and small disc brake rotors. Available in grinding wheel diameters from 450 to 660 mm with wheel spindle power up to 50 kW.
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The VERTICAL AXIS version is particularly suited for grinding thin parts and, the version with interpolated feed system, for grinding critical materials such as tungsten carbide or ceramic using diamond grinding wheels.
INTERPOLATED FEED:
It is the latest and most exclusive system, designed by VIOTTO for grinding parts in tungsten carbide, cermet and ceramic, even of large size.
This is obtained by the interpolation of 3 axes, controlled by the CNC, which perform the following movements:
rotation of the workpiece to carry it between the wheels (AXIS 1)
oscillaton of the workpiece between the wheels (AXIS 2)
plunge cycle of the top wheel on the workpiece (AXIS 3)
In this feed system the grinding wheels are set perfectly parallel to obtain still closer tolerances for flatness and parallelism.
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Acme coil grinding systems are used to grind, polish and hairline finish hot and cold-rolled stainless steel coil and sheets. Multiple-head systems are designed to perform top and bottom finishing operations at up to 164 ft. (50m) per minute. Acme has in-house design and manufacturing capabilities for turnkey systems (including stock handling, in-process gaging, and filtration equipment), with an installed base of systems that spans the globe.
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The HORIZONTAL AXIS model is the most common version, It is indispensable when workpieces are to be ground on the end faces, in which case the length is the prevailing dimension, to a very close tolerance for squareness of the surface to be ground to the outside diameter (for example an engine valves or die punches).
DOUBLE RECIPROCATING FEED:
Workpieces are clamped on a horizontal table performing a reciprocating movement and carried between the wheels, which are set in the selected finish position. The grinding cycle is accomplished through a roughing operation during the inward stroke of the table and a finishing operation during the backward stroke.
When the stock is heavier, it is progressively removed by a combination plunge cycle of the wheelhead and the reciprocating feed on the table.
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Features:
The compact surface grinder to grind the wide work such as large metal mold, large plate and ceramics plate.
Universal head equipped for grinding the slide-ways of machine tools or industrial machines, jigs and the component of general precision machines.
Large box design castings are made of high quality ribbed cast iron.
X-axis table with Turcite-B lining, Y &Z axes are box ways with AC servo drive.
The large spindle is support by CP4 precision angular contact ball bearings. 20HP motor ensures powerful accurate cutting.
The overhead dresser is integrated into an automatic wheel compensation system.
An independent control box with an ergonomically designed panel offers a comfortable and convenient operation environment.
Modern 10.4" color LCD touch screen panel, simply touch the screen to set the grinding variables.
Manual Pulse Generator (MPG) is also provided for user's convenience for both down feed and cross feed.
Sizes available from ( 1500~2500 )mm by ( 2400~8000)mm.
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The Haro Baseline is a conventional, all-purpose, low cost manual grinding machine.
This product range extends and carries on the basic design of the early Haro machine (the first manual grinding machine Haro H2 was born in 1944). Continuous development and mechanical improvements led to a very competitive product line with the Haro Baseline 320, 400 & 500. Differences between the models include longitudinal X-axis length, basic frame & table design and size, drive and power of wheel motor, …
Easy accessibility to the grinding point from three sides allows accurate and efficient adjustments.
With manual or manual/hydraulic table controls, this product series is distinguished by its faultless ergonomics. Large range of accessories is available.
A perfect cost-effective basic equipment from the grinding/sharpening expert.
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Features:
The working table executes only longitudinal movements. Double V guide-ways are laminated with Turcite-B hand scraped to obtain smooth stick-slip free movements.
The column carries out only crossfeed movements. The column slide is guided by STAR roller linear guides, with C3 grade high precision ball-screws and driven by servo motor.
The spindle housing carries out only vertical movements. The Y-axis is also guided by STAR roller linear guides, with C3 grade high precision ball-screws and driven by servo motor.
The flanged cartridge type spindle is supported by 3 pairs of class 7 super precision angular contact ball bearings, preloaded and select-fitted into spindle cartridge.
The dresser is mounted on right side of table. Auto surface grinding cycles and dressing cycles with compensation are standard.
The automatic re-circulating lubrication system supplies lubricant to all of the guide ways and lead screws as the machine operates.
The external independent hydraulic tank is located outside the machine to be easily accessible for maintenance. Driven by the proportional valve hydraulic system for easy speed adjustment in a range of 2~30meter/min for most surface grinding applications.
The oil cooler unit is standard for hydraulic system to prevent the temperature rise, and thermal deformation can be reduced to minimum.
An independent control box with an ergonomically designed panel offers a comfortable and convenient operation environment.
Modern 10.4" color LCD touch screen panel, simply touch the screen to set the grinding variables.
Manual Pulse Generator (MPG) is also provided for user's convenience for both down feed and cross feed.
Sizes available from ( 500~800 )mm by ( 1000~2000)mm.
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The BLOHM PROFIMAT MC and RT line has been developed with the aim to meet the "LEAN APPROACH" concept. It represents with a width of only 2000 mm (79") an extremely compact and heavy duty production grinding machine for universal application using the latest technology.
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Features
- This high precision surface and form grinder has been specially developed and improved in recent years.
- The tool cabinet in machine base is specially designed for operator’s convenience (618m).
- The interlock between electrical cabinet door and power supply is established to ensure safe operation.
- The maximum distance from table surface to spindle centerline is 18" (450mm) which provides more clearance for grinding.
- The sping loaded type table travel stops will dampen theovertravel caused by abnormal operations (618m).
- The optimum span of double V crossfeed guideways is designedbased on bending moment, kinematics supporting force.
- All essential castings are mode of high grade of meehanite castiron that is stress relieved through annealing to eliminateinternal stress.
- With the greatest stiffness and stability of the castings, this machine is suitable for both precision surface grinding and formgrinding .
- This grinder is offered with one-full-year limited warranty formechanical and electrical parts
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Giustina Rotary Surface Grinders are field proven because they are backed by more than 150 years of engineering experience in designing and manufacturing production grinders and special grinding machines for a multitude of industries worldwide.
This series of rotary surface grinders are high production and an efficient solution for processing flat and parallel surfaces at the lowest per piece cost. Available with one, two, three, four or five vertical wheelheads.
These machines are ideal for connecting rods, rocker arm pads, disc brakes or special applications where faces to be ground are offset (on different planes). Equipped with modular wheelhead columns and various rotary table sizes, many solutions are possible according to the process requirements.
Table diameter: 1000 up to 2500 mm.
Grinding wheel diameter: 450 to 660 mm.
Wheel motor power: up to 50 kW
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Features:
Three axes automatic surface grinder with small footprint.
Castings are made of high quality ribbed cast iron, which have been tempered to achieve extreme rigidity.
X&Y slide ways are laminated with Turcite-B, hand-scraped with sufficient lubrication. ( 250AHD with ball bearing table and D-2 (SKD-11) slide ways).
The elevation guide ways (Z axis) are hand-scraped then secured to the column structure.
The spindle is supported by CP4 preloaded super precision angular contact ball bearings. This will guarantee a maximum run-out of 2 microns for heavy duty, stable and accurate grinding.
Separate hydraulic system with a specially designed valve enables smooth table reversing with a 26 meter/min table speed.
Automatic lubricating system to ensure smooth and long lasting operation in all 3-axes.
Automatic down-feed gearbox for accurate down-feed increment.
Sizes available from ( 250~400 )mm by ( 500~800 )mm.
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M: Micrometric Feed
SA:SA series are longitudinal by Hydraulic, and cross feed & vertical axes are manual
2A:2A series are Auto cross feed & Hydraulic longitudinal, and vertical axis is manual
3A/AH:3A/AH series are Auto cross feed & Hydraulic longitudinal, and Powered rapid vertical feed
ATD:ATD series are Auto cross feed & Hydraulic longitudinal, and computerized Auto down feed
NOTE: The contents of this brochure are for reference only and the manufacturer reserves the right to modify the design specifications, mechanisms...etc. without notice.
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The ergonomic concept with travelling column grinding head enables the operator to quickly and flexibly set up the machine for the most varied assignments. Whether loaded manually or with a loading robot, a CORVUS is optimally adaptable to the manufacturers’ needs or also for the regrinding of complex tools. The large T-slot table provides space and access for options such as steady rest, tailstock and grinding wheel dressing unit – individually or combined.
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Features
- Automatic lubrication of leadscrews and ways. These advantages can help to reduce friction and prolong machine life.
- Workpiece flatness is guaranteed to be within +/-0.00012" (+/-0.003mm) over the entire working surface.
- Spindle runout is within +/-0.00060" (+/-0.0152mm) for superior accuracies and finishes.
- Meehanite casting (including the base), ensuring excellent rigidity and superior dampening during heavy machining.
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The ULC/ULG series has been developed with the goal of turning and grinding free-form surface and asphere lenses as well as their respective molds with high efficiency and high precision. Moreover, as shown in the figures below, optimized machine structure and options are available for various applications and high cost performance is achieved.
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Features
- Longitudinal slideways.
- High precision heavy duty spindle design .
- Automatic lubrication system.
- Stable feed , superior accuracy.
- Smooth and accurate wheelhead movement.
- Automatic wheel dressing with.
- Compensation .
- Computer-Aided engineering .
- Spindle head counterweight balance system.
- Hydraulic system temperature regulator
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Channel grinder
to relief-grind automatically narrow radii or to grind-in rule joints. MDM capable.
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