Black Widow Z-Axis G2T Belt Relocation

thingiverse

Black Widow Z-Axis G2T Belt Relocation Mod This mod was designed to increase the Height of the Black Widow Printer by incorporating printed corner blocks that change the location of the z-axis belt from below the top cross beam to above the top cross beam. Several add-ons are included, which improve the printer's appearance and protect the new belt location. Some extra screws and t-nuts are required for this mod. The following parts should be purchased or obtained before starting: 1. 70 M4 x 8mm Hex Cap Screws (available on Amazon, Ebay, or any hardware supplier) 2. 70 M4 drop-in T-Nuts (available on Amazon, Ebay, or any hardware supplier) 3. 16 M5 x 30 Hex Flat Head Screws (used for top and bottom z-axis caps; available on Amazon, Ebay, or any hardware supplier) 4. 4 M3 x 45mm Hex Cap Screws (used with z-axis motor mount; obtained from OpenBuilds Parts Store) 5. 2 8mm ID Lock Collars with grub screw (purchased from Open Builds Parts Store) Optional parts include: * Using the existing 16OD x 8mmID bearing, or installing a new one * Removing the springs from bed screws and replacing them with m-3 lock nuts Parts that need to be printed are: 1. SWD_Bottom_Plate (Qty=2; uses 8-M4 screws & T-nuts and 4-M5x30 hex flat head screw) 2. SWD_Top_Plate_Frame_Mount (Qty=2; uses 1-M5 x 30mm Hex Flat Head Screws) 3. SWD_Top_Plate_Frame_Mount Cover (Qty=2; uses 3-M5 x 30mm Hex Flat Head Screws) 4. SWD_Top_Cap (uses existing lead screw and belt shield) To make this mod fully functional, three additional things are required: 1. BL-Touch Leveling Sensor installed 2. Horizontal drag chain Mod from Thingiverse (http://www.thingiverse.com/thing:1777681) 3. Reflash firmware to adjust total z-height from existing setting to 320mm Note that this mod requires skill and assembly knowledge, and the author takes no responsibility for any damage to the printer. Print settings: * Printer: Black Widow * Rafts: Doesn't Matter * Supports: Yes * Resolution: .2 * Infill: 25% * Cooling Fan: Yes (100%) * Feed: 55mm P/S This mod was designed after assembling a TEVO Black Widow printer, and realizing that the stock drag chain and GT2 belts below the top brace hogged up about 50mm of z height.