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Tsubaki Pin Gear Drive Units
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Catalog excerpts

Tsubaki Pin Gear Drive Units - 1

PIN GEAR DRIVE UNITS Standard Series/S Series

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Tsubaki Pin Gear Drive Units - 2

The Tsubaki pin gear drive unit is a new drive unit that replaces gear rack systems. The combination of a pin-structure wheel/rack and a gear with special tooth profile allows greater freedom when designing rotating or linear drive units. Features ■ Easy installation Employs a separable segment design to ensure easy installation. Can be used even with rough installation precision. ■ Large transmission torque Pin gear is designed in forgiving modules and good pin wheel/rack balance delivers large transmission torque. ■ Can be used in large-scale equipment. Wheel type units can be employed in...

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Tsubaki Pin Gear Drive Units - 3

Configurations A pin gear drive unit is a set consisting of pin gear and pin wheel (or pin rack). Rotational drive Pin wheel Linear drive Pin gear Pin wheel diameter (number of pins) can be chosen freely. Pin rack length (number of pins) can be chosen freely. Structure Pin gear feature specially designed teeth that engage continually and smoothly with the rollers. Teeth are hardened to improve strength and wear resistance. Unique Tooth Profile The tooth profile is based on an approximate involute to ensure that it can engage smoothly with the pin wheel/rack, and employs a unique design to...

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Tsubaki Pin Gear Drive Units - 4

Pin Wheel Products and Specifications ■ Standard Series (Steel) and S Series (Stainless) Outer drive pin wheel (4-segment model shown) Inner drive pin wheel (4-segment model shown) (Note 1) Notes: 1. There are projections on the inner rim of outer drive pin wheel segments and on the outer rim of inner drive pin wheel segments. These projections serve as the reference surface when installing the pin wheel on the device with which it is to be used. The inner diameter (Diw) of outer drive wheels and the outer diameter (Dow) of inner drive wheels are respectively the outer/inner diameter of the...

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Tsubaki Pin Gear Drive Units - 5

PDU30 (Standard Series) PDUS30 (S Series) PDU22 (Standard Series) PDUS22 (S Series) PDU20 (Standard Series) PDUS20 (S Series) Inside Width W Plate Thickness T Mounting Bolt Size Roller Qty Mounting Bolt Size Mounting Bolt Size Segment Qty Pitch Diameter Outer Diameter Inner Diameter Segment Qty Pitch Diameter Outer Diameter Inner Diameter Segment Qty Pitch Diameter Outer Diameter Inner Diameter Dpw Dow Diw Dpw Dow Diw Dpw Dow Diw PDU35 (Standard Series) PDUS35 (S Series) PDU50 (Standard Series) PDUS50 (S Series) PDU40 (Standard Series) PDUS40 (S Series) Overall Width Lw Specs Inside Width W...

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Tsubaki Pin Gear Drive Units - 6

Pin Wheel Products and Specifications PDU80 (Standard Series) PDUS80 (S Series) PDU70 (Standard Series) PDUS70 (S Series) PDU55 (Standard Series) PDUS55 (S Series) Overall Width Lw Specs Inside Width W Plate Thickness T Mounting Bolt Size Roller Qty Mounting Bolt Size Mounting Bolt Size Segment Qty Pitch Diameter Outer Diameter Inner Diameter Segment Qty Pitch Diameter Outer Diameter Inner Diameter Segment Qty Pitch Diameter Outer Diameter Inner Diameter Dpw Dow Diw Dpw Dow Diw Dpw Dow Diw PDU90 (Standard Series) PDUS90 (S Series) Overall Width Lw Specs Inside Width W Plate Thickness T...

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Tsubaki Pin Gear Drive Units - 7

Pin Rack Products and Specifications Flat Rack (FR) Notes: 1. Long pin rack configurations can be calculated by multiplying the standard length by N pieces or by multiplying the standard length by N pieces and then adding the required number of rollers shorter than standard length. We can produce products with roller quantities other than those indicated here. 2. See page 8 for installation instructions for flat racks. 3. Mounting bolts are not included. * Hollow pins are secured with nuts and bolts to secure the rack on angle models. * Attachment bolt and nut (assembled) ■ Flat Rack...

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Tsubaki Pin Gear Drive Units - 8

Pin Gear Products and Specifications LH Standard Series Materials Structure Pin Gear Frame No. G: Outer drive PDU: Standard Series N: Inner drive PDUS: S Series S: Linear drive No. of Teeth Hub Type 1B: B Type 1C: C Type B Type Teeth treatment Induction hardening/tempering Carbon steel for machine structural use Stainless steel C Type — *Products can also be made from materials other than those indicated above. *Shaft hole finishing is also available. *Lock type Pin Gear (with friction fastening mechanism) are also available. (See image below.) ■ Applicable Number of Teeth range for Pin...

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Tsubaki Pin Gear Drive Units - 9

■ Installation Inner drive Pin Wheel Flat Racks Angle Racks The side of the rack/wheel can be attached to the device with a bolt using the hole in the hollow pin. When installing, a stopper or guide can be fixed to the projected surface to position the wheel. Angle racks can be attached to the device using the mounting bolt holes on the feet of the rack. ■ Mounting Bolt Position At least the minimum number of bolts (see table below) must be used at both end of each segment and at regularly spaced intervals in between. ■ Minimum Mounting Bolt Quantity per Segment for Pin Wheels & Flat Racks...

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Tsubaki Pin Gear Drive Units - 10

Pin Gear Drive Selection Procedure ■ Selection Procedure 1. Pre-select the pitch circle diameter of the pin gear drive unit · For rotational Pre-select the pitch circle diameter of the pin wheel to suit the size of the equipment. operation: Find out the reduction gear ratio required, then pre-select the pitch circle diameter of the pin gear. Pre-select the pitch circle diameter of the pin gear based on the equipment layout. 2. Calculate the applied tangential load (Fw) Calculate the applied tangential load (Fw) that will act on the pin wheel or pin rack based on load conditions. Pin gear 3....

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Tsubaki Pin Gear Drive Units - 11

Installation Precision · Pin wheels: Projections on the pin wheel frame share the same centers as the roller mounting holes, so projections can be used as a reference surface for centering when fitting the pin wheel into the pilot section on the equipment. The precision of equipment pilot section must be finished within the precision of pilot section runout indicated in the table below. Ensure that the parallelism of the equipment-side mounting reference surface of the pin rack and the pin gear center is equal to or less than the indicated value of gear center parallelism in the table below...

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