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MIJNO PRECISION GEARING utilizes the highest performance, newest generation equipment for the production and control of your transmission components. Our expertise has earned the trust of robotic, medical, military, nuclear and aerospace industries. Our 120 machine-tools are used by more than 75 highly skilled workers that learn continuously the most innovative technologies. We are certified ISO 9001.
Precise manufacturing provides very precise pitch-line location and minimal cumulative error per meter. Hardened or not-hardened teeth available. Precision matching pinions in your preferred geometry are a specialty.
- Cutting: mod. 0.5 to 18; L max. = 2100 mm ; ISO 7
- Grinding: mod. 0,5 to 18; L max. = 2100 mm ; ISO 5 to 6
Try our patented Rotaxe® tooth profile for your high speed applications.
Send us your drawings for quotation at mijno@aol.com or by fax at +33.4.77.43.74.44
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MIJNO PRECISION GEARING utilizes the highest performance, newest generation equipment for the production and control of your transmission components. Our expertise has earned the trust of robotic, medical, military, nuclear and aerospace industries. Our 120 machine-tools are used by more than 75 highly skilled workers that learn continuously the most innovative technologies. We are certified ISO 9001.
Precise manufacturing provides very precise pitch-line location and minimal cumulative error per meter. Hardened or not-hardened teeth available. Precision matching pinions in your preferred geometry are a specialty.
- Cutting: mod. 0.5 to 18; L max. = 2100 mm ; ISO 7
- Grinding: mod. 0,5 to 18; L max. = 2100 mm ; ISO 5 to 6
Try our patented Rotaxe® tooth profile for your high speed applications.
Send us your drawings for quotation at mijno@aol.com or by fax at +33.4.77.43.74.44
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Nexen offers an advanced new technology that revolutionizes linear motion. The Roller Pinion System (RPS) provides zero backlash, very high positional accuracy, unlimited length, very high speeds, 99% efficiency, high rigidity, low noise, low maintenance, corrosion resistance, and long life. This opens up
new design possibilities and provides the capability to achieve much higher levels of performance in machine designs.
The RPS's unique design eliminates many of the limitations of current linear drive systems like:
Ball Screws: Limited by critical speed, maximum speed, cumulative error, vibration, thermal expansion, supplemental cooling, noise, low efficiency, maintenance, and life.
Traditional Rack and Pinion: Limited by low accuracy and speed, backlash, tooth fatigue, noise, high cost of dual and split pinion systems, high maintenance, and short life.
Belt Drives: Limited by low accuracy, backlash, low load capacity, short lengths, belt stretch, and low rigidity.
Linear Motors: Limited by low load capacity, high cost, strong magnetic fields, and liquid cooling.
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Dedicated to racks & pinions drive applications, the KRP+ design is based either on the use of one single unit or on the association of two top quality planetary reducers, mounted in parallel on the machine main frame.
When used as a SingleDRIVE, the KRP+ gives the benefit of an ultra high stiffness feed gearbox, dedicated to high performances rack & pinions drive systems.
When choosing the mechanical preload solution, the KRP+ become a DualDRIVE unit, which achieve the true backlash free feature by torsionally winding one pinion against the other through the rack.
Immediate benefits are to need only one motor, and to dramatically simplify the motor control.
When choosing the Electrical preload solution, the KRP+ is used as a TwinDRIVE unit, where the backlash is cancelled by the opposite torque balance between the two pinions, according with the two motors and drives remote control.
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Dedicated to racks & pinions drive applications, the DRP+ design is based on the association of two top quality planetary reducers, mounted in parallel on an extra high stiffness universal frame.
When choosing the mechanical preload solution, the DRP+ become a DualDRIVE unit, which achieve the true backlash free feature by torsionally winding one pinion against the other through the rack.
Immediate benefits are to need only one motor, and to dramatically simplify the motor control.
When choosing the Electrical preload solution, the DRP+ is used as a TwinDRIVE unit, where the backlash is cancelled by the opposite torque balance between the two pinions, according with the two motors and drives remote control.
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With Our Large Selection of Standardized Products,
We Can Meet All Your Precision Linear Motion Requirements!!
KHK stock racks are made for high precision linear motion applications. We offer a large variety ranging from module 0.5 to 10 and lengths from 100 to 2000mm. Please use corner racks (SSR and SIR series) when you want to change the direction of linear motions.
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Ondrives Ltd of Chesterfield make their own range of miniature rack and pinion actuator boxes from their manufacturing facility in the heart of the UK, Chesterfield.
The boxes are manufactured from a hard anodised aluminium (their signature red colour) housing with high carbon steel rack and pinions. There are five different sizes available as standard, all with average backlash of 2 º. Length of travel starts at just 10mm going up to 30mm as standard, with special lengths or travel available on request. All are greased for life with Shell Nerita Grease HV.
With uutput shaft diameters starting at 6mm to 20mm, and inputs range from 5mm to 15mm, there is sure to be something to suit everyone’s requirements, the company states. For bigger and longer actuation (up to 500mm rack), this can be accommodated with the Drylin range of TS & TW linear rails featured in the linear motion section of the Ondrives catalogue.
Complete specials, whatever your gearbox requirements, are always available from Ondrives who are happy to provide a free of charge quotation to your specifications. Please visit the website at www.ondrives.com for more details on our manufacturing facilities and capabilities.
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A ground rack, with quenching treatment applied to tooth surface. Module 0.5 and 0.8, and 6 racks are available. Tooth areas, where size is less than 0.8 module, has no quenching treatment.
Models: 0.5, 0.8, 6
Total Length: 300, 500, 1000
Precision grade: KHK R 001 grade 3
Gear teeth: Standard full depth
Pressure angle: 20°
Material: S45C
Surface hardness: HRC45 - 55
Surface treatment: Black oxide except gear tooth
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Spur Gears
A new range of 20° PA. spur gears all manufactured in medium carbon steel, provide selection from 1 Mod. through to 6 Mod. pitch with gears from 12 teeth to 120 teeth. Gears have face width equal to ten times Mod. number to provide sensible power transmission capability. To supplement the steel gears is a select range of cast iron wheels covering pitch range 2 Mod. to 5 Mod.with 30 to 60 tooth size.
Straight Racks
Available in standard lengths of 05, 1.0 and 2.0 metres is a range of 20° PA straight cut racks with pitch range 1 Mod. to 6 Mod. These are designed to combine with the standard spur gears to provide low cost conversion of rotary to linear motion.
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Thanks to a very large product range, an unceasing commitment to innovation, and extremely high quality levels, SEDIS is able to satisfy the requirements of the most demanding users.
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Modular Rack & Pinion System
The Modular Rack & Pinion System is the primary building block of a linear axis drive. This system consists of a standard range of straight (spur), circumferential pitch, and helical racks and pinions. The modular design permits rack segment lengths from 0.5 to 2 meters to be linked together end to end achieving any desired travel length from standard components.
Racks and pinions are available with different materials, heat treatments and quality levels to insure the correct balance of power, precision and price to meet the application requirements.
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We provide the complete alpha solution through project engineering and the supply of all necessary system components from one source.
Rack & Pinion overview
- weight and space-saving mounting method
- all mounting surfaces ground to tight tolerance results in
flexible mounting options
- optimised smooth and low noise level
- high reliability due to wear-resistant surface treatment
and individually deburred gear teeth
- maximum possible feed dynamics with short
acceleration times
- maximum precision for lifting axes
- maximum operational safety due to high overload
capacity
- Quality 5 (AGMA-11) through permanent checks
according to DIN 9001
- ultra-high linear accuracy
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spur racks, straight spur toothed, up to module 4;
lenght 1000 mm
spur racks, helical toothed, up to module 1,25;
lenght 400 mm
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Racks
Engranajes Masiá has been manufacturing toothed racks upon request since it was founded.
More than 10 years ago, our company detected the need to produce higher quantity of them for specific industrial fields and to automate gates and windows.
As a result of the investments made in this section, we have become leaders in the spanish market producing more than 200.000 meters a year, accomplishing the highest capacity of automatic rack-milling without joins (4.000 mm), 1 to 30 mm module and a manufacturing tolerance of IT 6/7 (<0.002 mm each pitch meter)
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ManualPresses are the economical solution for short run productions. The design of these presses is the direct result of our experience in multiple applications. They carry the hallmark of quality and precision. They provide:
Flexibility
- fast and easy set up
- quick and repeatable tool changeover
Ergonomic design
- hand lever position can be varied by 360°
- left and right hand versions available
Precision alignment
- smaller than 0.05 mm (precision ram and table bores)
Maintenance free
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Rack & pinion press are used for precise pressing operation, this can be combined with slider for loading components & then sliding it towards the press for operation.
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RACK PRESSES 400 kg / 600 kg
The rack and pinion main feature is providing constant linear power over the whole travel according to the applied load.
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Rack & pinion jacks load 0,5 t and 1 t, with self-locking worm gear for lifting, for lowering, adjusting and fixing of mechanical components, devices, machines, etc.. 0,5 t version also available in stainless steel
robust version with milled rack and hardened driving parts, for in- and outdoor applications
Special versions against additional charge:
- an other lift or length
- an other crank version
- an other fixing possibility
- an other surface treatment
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Rack & pinion jacks load 1,5 t to 10 t (fig.) withself-locking security crank, keeps the charge in every required position - for pulling or pushings. Special versions on request: - different length of rack - different lift - drive shaft to connect several jacks - with internal brake and removable crank
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The steel jack is standard equipment for tool and machinery shops, contractors, shipyards, agriculture and workshops:
our steel jack with fixed lifting claw can be delivered with different types of hand crank for lifting the jack shaft along the rack. It offers a very long service life due to its high quality spur gear, precise worked crank gear as well as additional worked pawl.
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Rack & pinion jacks load 0,5 t and 1 t, with self-locking worm gear for lifting, for lowering, adjusting and fixing of mechanical components, devices, machines, etc.. 0,5 t version also available in stainless steel
robust version with milled rack and hardened driving parts, for in- and outdoor applications
Special versions against additional charge:
- an other lift or length
- an other crank version
- an other fixing possibility
- an other surface treatment
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Rack & pinion jacks load 1,5 t to 10 t (fig.) withself-locking security crank, keeps the charge in every required position - for pulling or pushings. Special versions on request: - different length of rack - different lift - drive shaft to connect several jacks - with internal brake and removable crank
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The steel jack is standard equipment for tool and machinery shops, contractors, shipyards, agriculture and workshops:
our steel jack with fixed lifting claw can be delivered with different types of hand crank for lifting the jack shaft along the rack. It offers a very long service life due to its high quality spur gear, precise worked crank gear as well as additional worked pawl.
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The linear module POWER-LINE MLT500 consist in self-supporting modules which enable a very easy and quick installation with low costs.
They are made of solid light alloy profile with four-rows linear guideways.
The movement is activated through hardened steel made rack and pinion: high positioning precision and safe displacement of the trolley are ensured.
Replaceable oil cartridges on the guideways (optionals) allow long lasting and low maintenance.
Few standard accessories enable quick connections with the columns, the gearmotor and the grippers, avoiding additional mechanical operations.
Versatility, high load capacity, low cost, very short delivery time are the key features of our POWER-LINE MLT500 modules.
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Linear guide with wheels with traction with pinion-rack, with predisposition for the mounting of a gearbox
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