YUASA 550 Series SUPER ACCU-DEX Rotary Index 6-1/2" - 550-666

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550-666

YUASA

YUASA 550 Series SUPER ACCU-DEX Rotary Index 6-1/2"
550-666


NOW with 4-screw T.I.R. adjustment!


The Super Accu-Dex combines the advantages of the Accu-Dex with those of the worm-geared rotary index. Disengaging the worm drive permits accurate quick indexing by the index pin locator into any of the 24-notch positions on the master gear. Rapid positioning to specific index locations is possible when any masking plate (2, 3, 4, 6, 8 & 12) position is used.


Features:

  • Worm can be completely disengaged for free rotation
  • For milling, drilling, jig boring, and many common shop applications
  • 24 position hardened and ground index plate (15° increments) with satin chrome dial, 360° graduated ring and adjustable 10 second vernier
  • Each unit is equipped with six masking plates (2, 3, 4, 6, 8 and 12 divisions)
  • The three-jaw Accu-Chuck is completely adjustable to within 0.0005" T.I.R. (0.012)

 

SPECIFICATIONS MAXIMUM VARIATION
inches / (mm)
Maximum individual spacing error 25 seconds
Vernier reading 10 seconds
Base to chuck squareness (90 deg) 0.0008" (0.02mm)
Base parallelism 0.0004" (0.01mm)
Mounting flange concentricity 0.0008" (0.02mm)
Chuck concentricity 0.0005" (0.012mm)
DIMENSIONS
Chuck center hole diameter 550-666 1.73" (44mm)
Chuck center hole diameter 550-008 2.48" (63mm)

 

MODELS AND ACCESSORIES
Model Description Weight
550-008 Index with 8" Accu-Chuck 166 lbs. (75 kg)
550-111 Dividing plates 9 lbs. (4.1 kg)
553-301 Adjustable tailstock 35 lbs. (16 kg)
553-302 10" Face plate 24 lbs. (11 kg)
553-303 20 position master plate 3 lbs. (1.4 kg)
553-304 5 division masking plate 1 lb. (0.4 kg)
553-305 10 division masking plate 1 lb. (0.4 kg)
553-330 30 position master plate for 550-007 & 550-008 3 lbs. (1.4 kg)
553-332 32 position master plate for 550-007 & 550-008 3 lbs. (1.4 kg)
553-333 15 division masking plate 550-007 & 550-008 1 lb. (0.4 kg)
553-334 16 division masking plate for 550-007 & 550-008 1 lb. (0.4 kg)
553-338 8" soft master plate blank 4 lbs. (1.8 kg)
553-339 8" soft masking plate blank 1 lb. (0.4 kg)
 
550-666 Index with 6-1/2" Accu-Chuck 125 lbs. (56.8 kg)
550-111 Dividing plates 9 lbs. (4.1 kg)
553-300 Adjustable tailstock 24 lbs. (11 kg)
553-222 8" Face plate 18 lbs. (8.2 kg)



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