Catalog MakerBot 2
Aluminium Filament Drive 2x $200.00

Aluminium Filament Drive 2x

The filament drive extruder upgrade for the MakerBot Replicator 2x from Prop Engineering will replace the plastic printed type versions and also the original MakerBot 2x Delrin plunger system with an all Aluminium pinch roller type.

The filament drive arm and drive arm mounting block parts are CNC Machined from Aircraft grade 2420 Aluminium with the filament drive supplied assembled with no modification to any part of the MakerBot Replicator 2x.

NOTE: You will need to check your filament feed roller dimensions from the face of the stepper motor to the centre of the filament roller, this design will fit only a Rep 2x that has a dimensions of 15mm from the face of the stepper motor to the centre of the filament roller groove. 

 

The pinch roller provides about 65 to 70N of force on the filament, this will provides enough driving pressure on the filament.

Unlike other printed plastic designs that will eventually distort due to heat and spring pressure been exerted on the bearing arm as well as other plastic parts. The filament drive uses a brass pivot bush for a much improved for low friction surface for the filament drive arm to rotate on, this also will allow the mounting screw to be fully tightened so there is no chance of it working or vibrating loose over sustained use.

The Delrin plunger drive arrangement on the MakerBot Replicator 2x uses a grub screw seated on a rubber O-ring to provide pressure on the plastic disc to keep it in contact with the filament, this plastic disc over a very short time will fail by design, by waring a groove in the disc, with adjustment of the plunger grub screw, this requires the extruder unit to be partially disassembled not at all good design.

The variations in filament diameter can very from 1.5mm,1.7mm to 1.8mm and the original makerbot 2x Delrin drive can not accommodate for this variation in filament size.

Note:
The Filament Drive is under development and will change due to design evolution
shown is the Mk2.
 
Paypal is not part of the checkout process; you will need to email me to check on availability of the product, as they are manufactured to order. Once your order has been manufactured you will be notified by email that your order is complete. 

 



Quantity:  
This product was added to our catalog on Saturday 07 September, 2013.



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