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Description
AndyMark EVO Shifter Short Keyed Shaft, StageA 2 Stage - 10.86:1 Ratio, StageB 2 Stage - 16.37:1 Ratio
Incorporates refined 4-tooth dog shifting mechanism
Allows seamless two-speed transitions
Supports CIM or NEO motors with flexible stages
Features aggressive weight reduction design
Powered by a pneumatic cylinder for reliable shifts
The AndyMark EVO Shifter Short Keyed Shaft, StageA 2 Stage - 10.86:1 Ratio, StageB 2 Stage - 16.37:1 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 speeds. 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 enhancements distinguish this model from its predecessors. The dog gear now features four dogs on each face, enhancing the strength and durability of the gear. The use of AMPCO® 18 Bronze for the dog gear material provides added lubricity, ensuring smooth shifting operations. 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 employs 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 supports various encoder options, including the US Digital E4T and the CTRE SRX mag encoder. The gearbox features aggressive weight reduction through machined gears and plates, and its design allows for easy disassembly and reassembly without concern for gear orientation. It can be mounted to an AM14U family chassis or a 2"x1" box tube frame using existing mounting plate holes.
The shifting mechanism is powered by a pneumatic cylinder, enabling shifts during acceleration, pushing, or deceleration. The cylinder extends into the selected "Ratio A" when no air pressure is supplied, ensuring continued operation in the event of air pressure loss. The gearbox requires proper greasing for optimal performance and longevity, with a recommended break-in period before applying grease. The encoder ratio for programming is 3:1 between the Output Shaft and Encoder Shaft for the two-stage version.
1x AndyMark EVO Shifter Short Keyed Shaft, StageA 2 Stage - 10.86:1 Ratio, StageB 2 Stage - 16.37:1 Ratio
If you are not satisfied for whatever reason with a Product you bought on the Site, it is possible to return it for refund within 30 days from the date you received it unless otherwise indicated in the Product listing. You must first advise the Vendor associated with your order in your account to obtain a return authorization (‘’RA’’) number before returning a Product. (‘’RA’’) numbers are valid for 30 days, within which time the returned Products should be received by the Vendor. No returns will be accepted without having previously obtained an (‘’RA’’) number. The Product must then be returned in its original packaging (in perfect condition for resale) with its receipt and your (‘’RA’’) number. Reimbursement will be denied for any Products which do not conform to the above mentioned conditions.
Build-it-yourself Robot Parts are not refundable once assembled. Robots & Kits requiring assembly or soldering are also not refundable once assembled, soldered or modified in any way. All sales of robotic software and apps are final and cannot be refunded or exchanged. Returns are not accepted on special orders and clearance items except when they are found defective, in which case the Product may be repaired or replaced at the Vendor’s discretion. 20% Restocking fees may apply if you are returning a large quantity of the same Product that was ordered specifically for you from the manufacturer.
Please note that all items will be reimbursed within 7 to 14 days of receiving the Product (shipping fees excluded). You must also cover the cost of returning the Product. Shipping fees will only be refunded if the return is a result of a shipping error on our part. Cleaning fees of USD 100 may also be charged if a domestic robot is returned and has not been properly cleaned.
