Be aware the primary drive gear is reversed :
not compatible with the Bondtech BMG extruder
We recommend using 4x8x3.0 mm ball bearings (NOW INCLUDED).
Compatible only with :
- new HextrudORT extruder
The R.I.D.G.A. replaces the following drive train items:
- Main shaft;
- Main gear;
- Set screw;
- Primary drive gear.
- 2x 4x8x3.0 mm ball bearings
A collaboration project with an outstanding element from our community
The BMG Reverse Integrated Drive Gear was designed in collaboration with MirageC, the creator of the HextrudORT, to address the runouts of the main shaft assembly and primary drive gear held by a set screw.
As MirageC explains in his YouTube video Extrusion Quality – Mystery issue resolved ! the runout of the main double gear and wobbling of the main drive gear contribute to explain the surface irregularity seen in all 3D prints.
To lower said (in)tolerances to a minimum, we made the following improvements:
- main dual gears with tighter tolerances,
- pressed fit onto the main shaft with a new method,
- also, main shaft and main drive gear are machined in a monolithic steel set.
Result? A very meaningful step forward in quality.
Technical Specification
- Shaft length: 27 -0/+0.05
- Shaft length to support ball bearings : < 3mm – 3mm >
- Filament teeth’s center to end of shaft : < 14mm – 13mm >
- Number of drive gear teeth : 17
- Drive gear teeth length : 4mm
- Mainshaft/drive gear Material: Hardened Steel
Materials Compatibility:- Flexible : yes;
- Rigid : yes;
- Abrasive : yes.
- Number of main gear teeth : 50
- Main gear teeth length : 3mm
Prompt Shipping and Professional Packing
Due to our long-term partnership in a long-standing partnership with UPS, FedEx, DHL and many other leading global carriers, we are able to offer various shipping options. Our warehouse employees will pack all goods to our exacting specifications. Before shipping your items will be carefully inspected and secured. We ship to thousands of customers each day across different countries. This demonstrates our dedication to become the biggest online retailer on earth. These warehouses are located in Europe just as they are in the USA.
Note: Orders containing more than one product are assigned a specific processing time, dependent on the particular product.
Before shipping, our team will perform an extensive inspection of the products you ordered. Currently, most orders are delivered within 48 hours. The delivery time is estimated to be between 3 and 7 days.
Returns
Due to multiple parties such as the factory and the warehouse, we cannot fully manage stock. Stocks can be changed at any time. It is possible that inventory could run out once your order has been placed.
Our policy is for 30 days. If you don't receive your item within the 30 days period, we're not able to issue a refund or an exchange.
To be considered eligible for return, it must be unopened and in the condition you received it. The item must be returned in its original packaging.
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