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Tsubaki Cam Clutch
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Catalog excerpts

Tsubaki Cam Clutch - 2

TSUBAKI CAM CLUTCH TSUBAKI offers the most complete and versatile selection of one-way clutches in the industry. Design Features Full Cam Complement The full complement of cams provide the maximum number of load transmitting members per given diameter. The result is a greater torque capacity sizefor-size than other clutches. Cam Design Precision formed cams made of a special alloy steel provide extra long wear and fatigue life. High Quality Components The clutch races are made of high-quality alloy steel with high surface hardness and core toughness. The races are precision ground, provide...

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Tsubaki Cam Clutch - 3

MX Series clutch is best suited for indexing applications. This model ensures long life and accurate intermittent motion at the driven race. MI-S Series has special surface-treated cams for use in large feed angle indexing applications. Bore Range: ø22 to ø70 mm Torque Range: 78 to 784 N·m Bore Range: ø20 to ø30 mm Torque Range: 43 to 196 N·m BS, BS-HS, BS-R, BSEU Series BR Series clutch is mainly used as backstop of inner race high-speed over running. BR-P Series is the BR Series with the bearings, BREU series clutch is European style model. BS, :Bore Range: ø20 to ø450 mm BS-HS Torque...

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Tsubaki Cam Clutch - 4

Taking Advantage of Differences in Rotating Direction and Speed... TSUBAKI Cam Clutches One-way clutches are efficient mechanical devices that utilize differences in axial rotating direction and the speed of rotation to prevent reverse rotation and ensure safety. In order to create a more reliable uni-directional clutch, engineers have spent many years developing and improving clutches, from the simple prop type, to the ratchet type and the roller type, and then culminating to the Cam Clutch, which has become the mainstream. The TSUBAKI Cam Clutch introduced here is a cam-type, one-way...

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Tsubaki Cam Clutch - 5

I STANDARD SPRAG TYPE CAM CLUTCH CONSTRUCTION The figure shows a typical model from the MZ Series for explaining construction. Major Component Parts The major parts of the Cam Clutch are the cams, inner race, outer race, springs and bearings. Each of these parts play an important role in the function of the Cam Clutch. All parts are made of carefully selected materials, have undergone appropriate heat treatment, and have passed strict quality control checks. Part Function A number of cams set regularly in between the inner and outer races function as props or sliders depending on the...

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Tsubaki Cam Clutch - 6

NON-CONTACT DESIGN EXTENDS SERVICE LIFE Greatly Increased Service Life Made possible by TSUBAKI’s extensive experience in mechanical power transmission, the cam used in the BR Cam Clutch offers a unique cross section that provides positive mechanical engagement only when needed. Otherwise, the Cam Clutch rotates freely with absolutely no mechanical contact in the clutch mechanism. The result is a greatly increased service life compared to conventional types. Backstop applications with high-speed overrunning When the Cam Clutch is stationary, the cam locks the inner and outer races together...

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Tsubaki Cam Clutch - 7

I MODES OF OPERATION TSUBAKI Cam Clutches are precision devices which lock to transmit torque in one direction of rotation, but overrun (freewheel) in the opposite direction of rotation. All the series of clutches utilize the same principles of operation. Since clutch applications encompass a variety of load and speed characteristics, TSUBAKI Cam Clutches are manufactured in a range of capacities and styles, which are designed to provide the best functional characteristics for performing in the following three basic modes of operation: 1. General overrunning Clutches used in this type of...

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Tsubaki Cam Clutch - 8

■ CAM CLUTCH SELECTION CHART Modes of Operaion DUAL Custom Design HIGH SPEED OVERRUN, ENGAGEMENT /OVERRUNNING HIGH SPEED OVERRUN, /OVERRUNNING LOW-MEDIUM SPEED ENGAGEMENT I ENGAGEMENT HIGH SPEED OVERRUN, /OVERRUNNING LOW SPEED ENGAGEMENT I ENGAGEMENT LOW-MEDIUM SPEED OVERRUN, /OVERRUNNING More than 700 r/min / Less than 700 r/min / Less than 200 r/min / Less than 700 r/min 1 Less than 700 r/min / - ENGAGE IN ONE DIRECTION, OVERRUN IN REVERSE DIRECTION (Less than 700 r/min) -FREEWHEELING (Less than 700 r/min) - MANUAL DRIVE (Manual engagement) More than 300 times/min Less than 300 times/min...

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Tsubaki Cam Clutch - 9

To select the optimum Cam Clutch, it is imperative that you thoroughly understand the application and conditions of use. The following explains the use of Cam Clutches by application: First confirm how the clutch you are going to use is classified, and then obtain detailed data from the relevant pages. Cam behavior and Cam Clutch operation various possible states are described below. These 1. Outer race rotates counterclockwise. When the outer race starts rotating counterclockwise from a Clutch engages and the inner race rotates in the same When the inner race is rotated an outside force in...

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Tsubaki Cam Clutch - 10

A-1. DUAL DRIVE AND TWO-SPEED DRIVE Dual drive is a drive system in which two sets of driving units are installed instead of one driven unit, and the driven unit is driven by one or both of them as required. With dual drive, a drive system which has two sets of driving units having different speeds of rotation is referred to as “two-speed drive”, and the driven unit is driven at either high or low speed. Normally, each driving unit uses one Cam Clutch which works as an automatic switcher for the driving units. In the figure on the right, when the driven unit is to be driven by driving unit...

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Tsubaki Cam Clutch - 11

A-1-2. High-Seed Overrunning and Medium and Low-Speed Engagement (Overrunning speed = 700 r/min and up) (Engaging speed = up to 700 r/min) Example of energy saving pump (power recovery system) Example of energy saving drive for a soaking pit fan Application of Cam Clutches in an energy saving pump (power recovery system) shows how highly effective energy saving can be achieved with the aid of Cam Clutches. The motor-driven pump discharges high-pressure liquid, which, after circulating, is used to drive a turbine. The turbine is then used to help drive the pump. If the pressure available is...

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