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Precision Motion Industries Products
Precision Motion Industries Inc.
Recirculating ballscrews
Ballscrew of Nut Cooling
Cool liquid is able to control the heat generation and thermal expansion by creating
circulating cooling channel in the nut.

* Increase the positioning accuracy and the stability
Control the temperature rise of the ballscrew and reduced the heat deformation. The high
velocity and accuracy of the machine will be reached.

* Decrease the warm-up time of machine
The stable temperature of the ballscrew be quickly, so the warm-up time of the machine
could be shortened.

* Maintain capability of the lubrication oil
When the temperature of the ballscrew is stabilized, it is able to avoid the deterioration of
the lubrication caused by high temperature.
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Ballscrews for Heavy Load
Ballscrews for Heavy Load
Recirculating ballscrew
Precision Motion Industries Inc.
Recirculating ballscrews
Ballscrews for Heavy Load
FSVH Series
Focused on improvements of contact points of balls and thread grooves, ball diameter and
circulation system for new type, FSVH. The rated dynamic load has been increased to as two
times as that of conventional type, FSVC.

* LONG LIFE
Structure of the newly developed circulation system is designed to distribute the load uniformly
to the load balls and it also increases the life of ballscrews.

* HIGH DN VALUE
With the newly developed circulation system, ballscrews can meet the demands of high speed
running with high DN value.

* LOW NOISE
To use tangential circulation system structure, it can eliminate the noise while balls run into the
returning tube.

* VARIOUS SPECIFICATIONS COMBINATION
PMI can supply various ballscrews with diameter 40~120mm and lead 10mm to 60mm (Please
contact PMI for your specic design requirement)

*APPLICATION
Plastic Injection Machines / Press and Forging Machines/ Semi-conductor Equipments / General Machines
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Ballscrews for Unfinished Shaft Ends- End Deflector Series
Ballscrews for Unfinished Shaft Ends- End Deflector Series
Recirculating ballscrew
Precision Motion Industries Inc.
Recirculating ballscrews
* High Applicability Shaft Ends
Without heat treating processes on the shaft ends, the center holes on both side will be reserve.
The shaft ends could be easily manufactured to favored size.

* Short Delivery
Standardized stock for general specication' thread length and length of blank shaft ends.

*Lower Price
The accuracy can be as good as JIS C5 and C7 grade and with standardized axial clearance for
the reason that can be cost down and the price will be cheaper.

*Space Saving
The ballnut diameter reduces 20%~25% substantially and the length of nut is shorter.

*Low Noise
The average and accurate ball circle diameter (BCD) through whole threads make the ballscrews to
obtain the stable and consistent drag torque as well as to reduce the noise.
The audio frequency is low and deep due to the designed of plastic circulation system.
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Ballscrews for Unfinished Shaft Ends- Miniature Series
Ballscrews for Unfinished Shaft Ends- Miniature Series
Recirculating ballscrew
Precision Motion Industries Inc.
Recirculating ballscrews
* High Applicability Shaft Ends
Without heat treating processes on the shaft ends, the center holes on both side will be reserve.
The shaft ends could be easily manufactured to favored size.

* Short Delivery
Standardized stock for general specication' thread length and length of blank shaft ends.

* Lower Price
The accuracy can be as good as JIS C5 and C7 grade and with standardized axial clearance for
the reason that can be cost down and the price will be cheaper.

*Space Saving
External circulation system, it don't need to have at least one end with complete thread to the
end of Ballscrew for Ballnut assembly to screw shaft. And the special design of ballnut, so the
size of ballnut is same as internal circulation system of ballnut, Space saving.

*Circulation
By way of 3D Spline designed pathway for circulation system, and has enhanced the smooth
circulation of ball ,that can reduce the wearing and increase the life of ballscrew.
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Ballscrews of High Dustproof
Ballscrews of High Dustproof
Recirculating ballscrew
Precision Motion Industries Inc.
Recirculating ballscrews
Ballscrews of High Dustproof
Wiper specially developed for ballscrews, with a multi-step contact lips structure that ensures effective dust removal.
* Long Service Life Time
The contact Gothic arch thread of bulgy shape and the lips interference outside diameter of screw shaft, so the dust can't entry inside of nut.

*High compatibility
High dustproof wiper can be used with various PMI products.

*Nut Length unchanging
Install high dustproof of type 2, the nut length unchanging.

* Seal Washer
As the ballscrew comes with specially designed grooves, the highly dustproof seal washer inside the scraper perfectly matches the threads, a feature that ensures the removal of scraps as well as insulation against dust.
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Ballscrews: End Deflector Series
Ballscrews: End Deflector Series
Recirculating ballscrew
Precision Motion Industries Inc.
Recirculating ballscrews
Ballscrews: End Deflector Series
* High DN Value
Max. DN Value: 220,000

* Low Noise
The average and accurate ball circle diameter (BCD) through whole threads make the ballscrews
to obtain the stable and consistent drag torque as well as to reduce the noise.
The audio frequency is low and downy due to the designed of plastic circulation system.

* Space Saving
The ballnut diameter reduces 20%~25% substantially and the length of nut is shorter. The total space shall be reduced to approximately 50% consequently.

* Circulation
The specially designed pathway of the Recirculation System makes a contact with lead angle and also with BCD in the same tangency, improving its smoothness effectively.

* Applications
CNC Machinery / Precision Machinery / High Speed Machinery / Semi-Conductor Equipment / Medical equipment
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Miniature Ballscrews
Miniature Ballscrews
Recirculating ballscrew
Precision Motion Industries Inc.
Recirculating ballscrews
Miniature Ballscrews
For precision Miniature Ballscrew, PMI has reduced the diameter of ballnut and used the special circulation system, to satisfy more stability and high precision requirement.
* Space Saving
External circulation system, it don't need to have at least one end with complete thread to the end of ballscrew for ballnut assembly to screw shaft. And the special design of ballnut, so the size of ballnut is the same as internal circulation system of ballnut, space saving.

*Circulation
By way of 3D Spline designed pathway for circulation system, and has enhanced the smooth circulation of ball, that can reduce the wearing and increase the life of ballcrew.

*Application
Semiconductor equipments/ Measuring devices/ Inspection equipments/ Nano-platform
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