AndyMark EVO Shifter am14u Family Hex Shaft, StageA 2 Stage - 22.67:1 Ratio, StageB 2 Stage - 06.66:1 Ratio

AndyMarkSKU: RB-And-1830
Manufacturer #: EVO-2-226-060-UH2

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Sale price ¥64,219

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Description

  • AndyMark EVO Shifter am14u Family Hex Shaft, StageA 2 Stage - 22.67:1 Ratio, StageB 2 Stage - 06.66:1 Ratio
  • Improves gear shifting with 4-tooth dog mechanism
  • Supports two CIM or NEO motors
  • Configures with two or three interior stages
  • Employs strong AMPCO® 18 Bronze dog gear
  • Reduces weight aggressively for efficiency

The AndyMark EVO Shifter am14u Family Hex Shaft, StageA 2 Stage - 22.67:1 Ratio, StageB 2 Stage - 06.66:1 Ratio represents a significant advancement in shifting transmission gearboxes. This two-speed, shift-on-the-fly gearbox incorporates a refined 4-tooth dog shifting mechanism, allowing for seamless 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 performance. The gearbox is designed with mounting plates for two motors and is delivered assembled, though motors are not pre-installed.

Enhancements in this model include a robust 1/8" diameter shoulder screw and a dog gear crafted from AMPCO® 18 Bronze, which provides enhanced strength and lubricity compared to previous stainless steel designs. The shift block assembly has been fortified with a larger bearing and a threaded steel housing, ensuring durability. The input stage features 32 DP gears and a 15-tooth pinion gear, facilitating a high 85:15 first stage reduction. Users have the autonomy to select their preferred high and low ratios, with the option to interchange them as needed.

The gearbox also supports various encoder options, including the US Digital E4T, and features aggressive weight reduction techniques. The cluster gears are designed for easy assembly and disassembly without concern for orientation. An optional third stage offers additional ratio choices, enhancing the gearbox's versatility. The EVO Shifter employs a pneumatic shift method, utilizing a spring-extend pneumatic cylinder that allows for shifting even during acceleration or deceleration.

Note: Proper greasing is essential for optimal operation and longevity of the gearbox. It is recommended to run the gearbox for 30 minutes without grease initially to allow the gear teeth to wear in, followed by periodic application of grease to the spur gears.

  • 1x AndyMark EVO Shifter am14u Family Hex Shaft, StageA 2 Stage - 22.67:1 Ratio, StageB 2 Stage - 06.66:1 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
  • 1x Red Tacky Grease, 14.2 gram
  • Various spacers, bearings, and hardware for assembly
  • Two-speed, shift-on-the-fly gearbox
  • Enhanced 4-tooth dog shifting method
  • Motor input: two CIM or NEO motors
  • Configurable with two or three internal 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" diameter shoulder screw
  • Dog gear material: AMPCO® 18 Bronze
  • Super-strong shift block assembly with larger bearing and threaded steel housing
  • Input stage uses 32 DP gears and a 15-tooth pinion gear
  • High 85:15 first stage reduction
  • Independent high and low ratio selection
  • More encoder options available
  • Aggressive weight reduction features
  • Cluster gears with identical features surrounding the bore on both sides
  • Optional third stage provides additional C ratio choice of 1.14 or 2:1
  • Pneumatic shift method with spring-extend pneumatic cylinder
  • Extend Stroke: 4 lbs, Retract Stroke: 15.7 lbs
  • Encoder ratio: 3:1 on two-stage versions

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