AndyMark EVO Shifter Short Keyed Shaft, StageA 2 Stage - 22.67:1 Ratio, StageB 2 Stage - 04.77:1 Ratio

AndyMarkSKU: RB-And-1827
Manufacturer #: EVO-2-226-047-SK2

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Sale price ¥64,219

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Description

  • AndyMark EVO Shifter Short Keyed Shaft, StageA 2 Stage - 22.67:1 Ratio, StageB 2 Stage - 04.77:1 Ratio
  • Incorporates advanced 4-tooth dog shifting
  • Supports two CIM or NEO motors
  • Offers independent gear ratio selection
  • Features robust and durable design
  • Utilizes spring-extend pneumatic shifting

The AndyMark EVO Shifter Short Keyed Shaft, StageA 2 Stage - 22.67:1 Ratio, StageB 2 Stage - 04.77:1 Ratio represents a significant advancement in shifting transmission gearboxes. This two-speed, shift-on-the-fly gearbox incorporates an enhanced 4-tooth dog shifting method, allowing for smooth and efficient transitions between gears. It is compatible with two CIM or NEO motors and can be configured with either two or three interior stages, offering flexibility in output shaft selection. The gearbox is delivered assembled, though motors are not pre-installed.

Several improvements distinguish this model from previous iterations. The dog gear now features four dogs on each face, enhancing strength and durability. The use of AMPCO® 18 Bronze for the dog gear material provides added lubricity, ensuring smoother operation. A robust shift block assembly with a larger bearing and threaded steel housing is included, contributing to the gearbox's overall resilience. The input stage utilizes 32 DP gears and a 15-tooth pinion gear, facilitating a high first stage reduction.

The EVO Shifter allows users to independently select high and low ratios, providing greater customization options. It also supports various encoder options, including the US Digital E4T encoder. The gearbox's design incorporates aggressive weight reduction features, and its cluster gears are designed for easy assembly and disassembly. An optional third stage offers additional ratio choices, enhancing the gearbox's versatility.

The gearbox employs a pneumatic shift method, utilizing a spring-extend pneumatic cylinder for shifting. This mechanism allows for gear changes even during acceleration or deceleration. The gearbox requires regular greasing for optimal performance and longevity, with a recommended break-in period before applying grease. The encoder ratio for two-stage versions is 3:1, ensuring precise control and feedback.

Note: Proper installation and maintenance procedures should be followed to ensure safe and effective operation.

  • 1x AndyMark EVO Shifter Short Keyed Shaft, StageA 2 Stage - 22.67:1 Ratio, StageB 2 Stage - 04.77:1 Ratio
  • Shielded, flanged ball bearings
  • 1117 steel 32 DP gears, with 20-degree pressure angle (1st stage)
  • 4140 steel 20 DP gears, with 14.5-degree pressure angle (2nd and 3rd stage)
  • 1/4" thick aluminum side plates, pocketed
  • US Digital encoder and pneumatic cylinder included
  • 4140 steel output shafts
  • Individual hardware within two-stage assembly (excluding gears from ratio A and B):
    • 1x Two Stage EVO Shifter Motor Plate 2 Motor Plate (am-3526a)
    • 1x Two Stage EVO Shifter Output Plate (am-3528)
    • 1x 2 Stage EVO Shifter Cylinder and Encoder Mount Plate (am-3510)
    • 1x 2 Stage EVO Shifter Plate Spacer (am-3546)
    • 1x Red Tacky Grease, 14.2 gram (am-2768)
    • 1x 1.867" Aluminum Spacer (am-2262a)
    • 1x Encoder Mount Pad (am-0208a)
    • 1x 1/4-20 x 3.25" SHCS (am-3338)
    • 1x 1/4-20 Nylock Jam Nut - Bulk Qty (am-1102)
    • 1x 10-32 x 2.75" SHCS (am-1397)
    • 1x 10-32 x 0.75" SCHS (am-1047)
    • 1x 10-32 Nylock Nut - Bulk Qty (am-1042)
    • 1x 2 Stage EVO Shifter Cluster Shaft (am-3497)
    • 1x 85 Tooth 32DP 0.375" Hex Bore Gear (am-3533)
    • 1x 3/8" id Flanged, Shielded Ball Bearing (FR6ZZ) (am-0028)
    • 1x 7/16ID 9/16OD 1/2 Long Sleeve Bearing (am-1349)
    • 1x .443ID .125T Nylon Spacer (am-2930)
    • 1x EVO Shifter Shift Block Assembly (am-3451)
    • 1x 1/8" Dia, 5/8" Long Shoulder Screw, (am-1304)
    • 1x 4 Tooth Dog, AMPCO® 18 Bronze (am-3532)
    • 1x 20 Tooth 32DP 20PA 0.375" Bore Gear (am-3532)
    • 1x External Klipring for 1/2" shaft (am-0206)
    • 1x .443ID .125T Nylon Spacer (am-1358)
    • 1x Shift Cylinder, 3/4" Bore, 1/2 Stroke Spring Extend (am-3494)
    • 1x 8-32 SHCS x 0.5" (am-1037)
    • 1x 1/2" Hex Bore, Flanged, Heavy Duty Inner Race Shielded Ball Bearing (FR8ZZ-HexHD) (am-2986)
    • 1x 3/8" id, 1/8 od, flanged ball bearing (am-0573)
    • 1x 2 Shaft EVO Shifter Encoder Shaft (am-3502)
    • 1x Flange Bronze Bearing (am-1371)
    • 1x 60 Tooth 32 DP 0.250" Bore Gear (am-3483)
    • 1x 375 Ruland Collar Clamp (am-2382)
    • 1x Cylinder Magnet, DX0DIA (am-3505)
    • 1x E4T Encoder (am-3132)
    • 1x 15 Tooth 32DP 0.312 Bore Gear (am-3482)
    • 1x #10-32 x 5/8" SHCS with Nylon Thread Lock Patch - Bulk Qty (am-1120)
    • 1x Aluminum Spacer (am-3552)
  • Two-speed, shift-on-the-fly gearbox
  • Improved four-tooth dog shifting method
  • Motor input compatible with two CIM or NEO motors
  • Configurable with two or three interior stages
  • Selection of various 1/2 inch output shafts
  • Plates designed for mounting two motors
  • Shipped assembled, without motors installed
  • Dog gear with four dogs on each face for increased strength
  • Robust 1/8 inch diameter shoulder screw
  • Dog gear material is AMPCO® 18 Bronze for added lubricity
  • Super-strong shift block assembly with larger bearing
  • Input stage uses 32 DP gears and a 15-tooth pinion gear
  • Allows independent selection of high and low ratios
  • More encoder options available
  • Aggressive weight reduction features
  • Cluster gears with identical features on both sides for easy assembly
  • Optional third stage provides additional C ratio choice
  • Pneumatic shift method with spring-extend pneumatic cylinder
  • Requires grease for proper operation and long life
  • Encoder ratio: 3:1 on two-stage versions

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