1980 Rotating Cam Limit Switch
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Catalog excerpts

1980 Rotating Cam Limit Switch - 1

1980 Rotating Cam Limit Switches Ordering Guide & Technical Information

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1980 Rotating Cam Limit Switch - 2

2 6380 Brockway Road • Peck, MI 48017 • 800.325.8074 • 810.378.5511 • Fax 810.378.5516 • www.AMETEKAPT.com Features • Precision Cam adjustment at any angular position of the Camshaft • Speeds from 0 to 500 RPM in either direction • No special Cams required for any contact setting from 4° to 356° • No tools required to adjust Cam setting • Accurate repeatability • GEMCO rugged duty precision snap action switches • U.L. listed assemblies - Nema 1 and Nema 12 under file E56660, Nema 9 under file E75487 Accessories The following accessories can be obtained with the GEMCO Rotating Cam Limit...

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1980 Rotating Cam Limit Switch - 3

6380 Brockway Road • Peck, MI 48017 • 800.325.8074 • 810.378.5511 • Fax 810.378.5516 • www.AMETEKAPT.com 3 Mounting of Unit Mount the assembly and couple input shaft to the driving member with the shaft keyway up and in line with the positioning arrow on the bearing end plate. The machine should be in the start cycle position. Establishing Camshaft Direction of Rotation Cam settings should be made with the Camshaft uppermost to the viewer. The picture at the top right illustrates this viewing position and also shows the adjusting tool being applied to the adjusting wheel. Shaft rotation is...

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1980 Rotating Cam Limit Switch - 4

4 6380 Brockway Road • Peck, MI 48017 • 800.325.8074 • 810.378.5511 • Fax 810.378.5516 • www.AMETEKAPT.com Description Precision, rugged duty snap action switches, extremely accurate cam adjustments with a heavy duty shaft, rugged case and lifetime sealed ball bearings, have been combined by GEMCO to provide the most versatile and dependable Rotating Cam Limit Switch available. No Special Cams are Required The accurate cam adjustments are made possible by the use of a separate reduction drive in each half of a circuit cam block assembly. This drive provides a 36 to 1 ratio which means that...

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1980 Rotating Cam Limit Switch - 5

6380 Brockway Road • Peck, MI 48017 • 800.325.8074 • 810.378.5511 • Fax 810.378.5516 • www.AMETEKAPT.com 5 Electrical Switches Description The GEMCO Precision Snap Switches are designed for industrial duty applications where compact size, complete reliability and millions of trouble free operations are required. The housing is molded material which has excellent resistance to arcing and carbon tracking. The operating button is of molded nylon, a material with excellent wear characteristics. The button is well guided at the top and bottom to insure accurate repeatability and minimum wear....

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1980 Rotating Cam Limit Switch - 6

6 6380 Brockway Road • Peck, MI 48017 • 800.325.8074 • 810.378.5511 • Fax 810.378.5516 • www.AMETEKAPT.com 1980 1 04 – R – SP — X NUMBER OF CAMS ENCLOSURE TYPE 1980 Standard 1980R Built-In Resolver NOTE: Timing dial always mounted at right hand and as shown, takes one circuit space, as viewed from right side. {{ TIMING DIAL* X NO TIMING DIAL TD1 C.W. ROTATION TD2 C.C.W. ROTATION TD3 C.W. ROTATION TD4 C.W. ROTATION * NOTE: If window is required for timing dial, replace D with W in Catalog Number (i.e., TW1) } HORIZ. Mtg. VERT. Mtg. TIMING DIAL DECAL TD1 NP-76-B TD2 NP-71-B TD3 NP-78-B TD4...

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1980 Rotating Cam Limit Switch - 9

6380 Brockway Road • Peck, MI 48017 • 800.325.8074 • 810.378.5511 • Fax 810.378.5516 • www.AMETEKAPT.com 9 Shaft Extension The GEMCO Rotating Cam Limit Switch can be supplied with the desired shaft extension. The standard shaft extension can be specified in the catalog numbering system on page 8. To determine the shaft extension symbol, the Rotating Cam Limit Switch must be viewed from the Switch Type The GEMCO Precision Snap Switches are specifically designed for industrial duty applications where reliability, ease of wiring and millions of trouble free cycles are required. The GEMCO...

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1980 Rotating Cam Limit Switch - 10

10 6380 Brockway Road • Peck, MI 48017 • 800.325.8074 • 810.378.5511 • Fax 810.378.5516 • www.AMETEKAPT.com RIGHT ANGLE GEAR REDUCER ROTATION Rotation Input Shaft Versus Camshaft GEAR REDUCER POSITION GEAR REDUCER INPUT SHAFT ROTATION CAMSHAFT TIMING DIAL ROTATION R1 or L1 CW CW CCW CCW R2 or L2 CW CCW CCW CW R3 or L3 CW CW CCW CCW R4 or L4 CW CCW CCW CW R5 or L5 CW CW CCW CCW R6 or L6 CW CCW CCW CW R7 or L7 CW CW CCW CCW R8 or L8 CW CCW CCW CW STRAIGHT DRIVE GEAR REDUCER Input Shaft Rotation Versus Cam Shaft Rotation STRAIGHT DRIVE GEAR REDUCER LOCATION OF INPUT SHAFT GEAR REDUCER INPUT...

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1980 Rotating Cam Limit Switch - 11

6380 Brockway Road • Peck, MI 48017 • 800.325.8074 • 810.378.5511 • Fax 810.378.5516 • www.AMETEKAPT.com 11 Replacement Cam Assemblies Standard Cam Assembly Part No. SD-1178-C (includes two cams - Part Nos. P-356-B and P-357-B) Blank Cam Assembly Part No. SD-1140-C (includes two blank cams - Part No. P-271-B) Special Cams A Blank Cam Assembly (Part No. SD-1140-C) can be supplied in place of the Standard Cam Assembly, (Part No. SD-1178-C) at no additional charge, when specified. Advise number required and location. A drawing of the Cam shape must be given with the order. Generally, two cams...

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1980 Rotating Cam Limit Switch - 13

6380 Brockway Road • Peck, MI 48017 • 800.325.8074 • 810.378.5511 • Fax 810.378.5516 • www.AMETEKAPT.com 13 L AT REDUCER END (2) HOLES, PLUGGED CONDUIT SIZE GROOVES TO ACCEPT GEMCO ADJ. COUPLING 3.18 REF. B 6.02 MIN. VERTICAL CLEARANCE TO REMOVE COVER 2.07 REF. 1.50 .50 .4995 .4975 E XD Y 4.05 4.86 1.88 .75 #404 WOODRUFF KEY .7490 .7475 .34 (4 MTG HOLES) A-S C 7.94 NOTE: ASSEMBLY SHOWN IS STANDARD. REDUCER CAN BE PLACED ON EITHER END. SHAFT EXTENSION ON END OPPOSITE OF REDUCER IS OPTIONAL. Dia. Dia. Dia. .4995 .4975 #404 WOODRUFF KEY C 1.68 A-R Y 2.07 REF .50 1.50 2.00 .12 GROOVES TO ACCEPT...

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1980 Rotating Cam Limit Switch - 15

6380 Brockway Road • Peck, MI 48017 • 800.325.8074 • 810.378.5511 • Fax 810.378.5516 • www.AMETEKAPT.com 15 .43 R2, R5, L5, or L8 baseline in positions NOTE: Intrusion below Y NOTE: ASSEMBLY SHOWN IS STANDARD. REDUCER CAN BE PLACED ON EITHER END. SHAFT EXTENSION ON END OPPOSITE OF REDUCER IS OPTIONAL. 2.88 2.00 1.78 A-R .38 (4 MTG HOLES) G B C D CONDUIT FITTING ON END OPPOSITE GEAR REDUCER L .25 3.25 .38 E 2.00 .94 1.50 .75 #606 WOODRUFF KEY .7490 .7475 GROOVES TO ACCEPT GEMCO ADJ. COUPLING .50 1.50 .4975 .4995 #404 WOODRUFF KEY 2.88 H MIN. COVER CLEARANCE 2.66 REF 2.00 1.75 F 2.45 6.00...

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