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 Gemco 3001 Adjustable Couplings Brochure:
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Gemco 3001 Adjustable Couplings
 


 


 

 

 

 
1/2" spocket drive coupling
 
 

1/2" direct drive coupling
 
 

 
 
The 1/2" Adjustable Coupling was designed for use with Rotary Limit Switches. The Direct and Sprocket Drive Adjustable Couplings are Gemco's answer to one-stop switch adjusting. With just a turn of a screw, the coupling can be readjusted to whatever position is desired. The timing of the Rotary Limit Switch, with respect to the machine, may be changed by loosening the lockscrew and rotating the adjustment screw (located on the outer diameter) in the desired direc-tion with an Allen wrench. Fifty turns of the adjust-ment mechanism will rotate the sprocket on the adjustable coupling 360°.

 
3/4" spocket drive coupling
 
 

3/4" direct drive coupling
 
 

 
 
The 3/4" Adjustable Coupling was designed for use with Rotating Cam Limit Switches, Rotary Limit Switches and Rotary Air Valve Operators. The Adjustable Coupling (either direct or sprocket drive) is placed on the shaft extending from the Rotating Cam Limit Switch. The coupling is, in turn, con-nected to the machine by means of a chain or one of various couplings. The timing of the Rotating Cam Limit Switch, with respect to the machine, may be changed by loosening the lockscrew and rotating the adjustment screw (located on the outer diameter) in the desired direction with an Allen wrench. Fifty turns of the adjustment mechanism will rotate the sprocket on the adjustable coupling 360°.

 
 
 

 
 

ADJUSTABLE COUPLING FOR PRESSES  
The Catalog No. 3001-101 Adjustable Coupling can be quickly attached to any Gemco Rotating Cam Limit Switch (Catalog Section 1980 and 1981). This coupling provides means of changing the relative position between the cam shaft and the driving sprocket, in 50 increments. This coupling provides quick adjustment on presses where the top stop changes as a function of press speed, counter balance, etc.

 
Catalog
Number
Description  
3001-1 1/2" Spocket Dr.  
3001-2 1/2" Coupling Dr.  
3001-3 3/4" Spocket Dr.  
3001-4 3/4" Coupling Dr.  
3001-101 3/4" Shaft Size  


No. of Teeth

1/2" Single

1/2" Double

3/4" Single

3/4" Double

Part

 

Part

 

Part

 

Part

 

30

       

**M-862-A

 

M-886-B

 

32

       

**M-863-A

     

35

       

**M-864-A

     

36

M-855-A

 

M-879-B

 

**M-866-A

 

M-887-B

 

40

M-856-A

 

M-880-B

 

*M-867-A

     

42

       

*M-868-A

 

M-888-B

 

45

M-857-A

 

M-881-B

 

*M-869-A

     

48

M-858-A

 

M-882-B

 

*M-870-A

 

M-889-B

 

54

M-859-A

 

M-883-B

 

*M-871-A

     

60

M-860-A

 

M-884-B

 

*M-872-A

 

M-890-B

 

70

       

*M-873-A

     

72

M-861-A

 

M-885-B

 

*M-874-A

 

M-891-B

 

80

       

*M-875-A

     

84

       

*M-876-A

     

96

   

.

 

*M-877-A

 

M-892-B

 

102

           

M-893-B

 

112

       

*M-878-A

 

M-984-B

 

 

Special Manual Adj.-In-Motion Coupling coupled to a 16 circuit Nema 12 Rotating Cam Limits Switch. 2000/2004 Rotary Limit Switches with the 1/2" Spocket Drive and 1/2" Direct Drive Couplings.
 
 
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