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| A 5.5kW / 6kW Chinese water cooled spindle with an ER25 collet chuck. It is marketed for stone engraving rather than CNC routing. | | A 5.5kW / 6kW Chinese water cooled spindle with an ER25 collet chuck. It is marketed for stone engraving rather than CNC routing. |
| + | |
| + | == Wiring == |
| + | |
| + | Power inlet "WEIPU WS20" circular connector wiring: |
| + | |
| + | {| class="wikitable" |
| + | ! Pin |
| + | ! Wire Color |
| + | |- |
| + | | 1 |
| + | | yellow |
| + | |- |
| + | | 2 |
| + | | blue |
| + | |- |
| + | | 3 |
| + | | red |
| + | |- |
| + | | 4 |
| + | | (ground) |
| + | |} |
| + | |
| + | The spindle has male pins inside an externally threaded receptacle. |
| | | |
| == Replacement Parts == | | == Replacement Parts == |
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| <pre>SKF E2 6004-2Z/C3 15 260 K</pre> | | <pre>SKF E2 6004-2Z/C3 15 260 K</pre> |
| + | |
| + | === Bottom Locknut === |
| + | |
| + | Doubles as a dust shield: |
| + | |
| + | * 56.7mm OD |
| + | * 5.1mm thick (dust shield portion) |
| + | * 4x 3.5mm holes 3mm deep on a 44mm diameter circle |
| + | * must get past a 33.3mm diameter spindle nose before threading into place |
| + | |
| + | === Top Locknut === |
| + | |
| + | * 32mm overall OD |
| + | * 10mm thick |
| + | * M20x1.0mm threads on the ID |
| + | * 26mm OD / 22mm ID rim for bearing's inner shield |
| + | * 1.8mm clearance around the rim for the bearing's shield, as well as a shoulder with no threads on the inside |
| | | |
| === O-rings === | | === O-rings === |
| | | |
− | Must fit within a 10mm OD 1mm deep recess with a 6mm ID hole for water to pass through. Maybe one of these?:
| + | The top cap with the water inlets have 10mm OD 1mm deep recesses with a 6mm ID hole for O-rings. Maybe for one of these?: |
| | | |
| * [https://www.mcmaster.com/1171N144/ Square-Profile Oil-Resistant Buna-N O-Ring, 1.5 mm Wide, 7 mm ID | McMaster-Carr] | | * [https://www.mcmaster.com/1171N144/ Square-Profile Oil-Resistant Buna-N O-Ring, 1.5 mm Wide, 7 mm ID | McMaster-Carr] |
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| * [https://www.mcmaster.com/1302N037/ Oil-Resistant Buna-N O-Ring, 1.8 mm Wide, 6 mm ID | McMaster-Carr] | | * [https://www.mcmaster.com/1302N037/ Oil-Resistant Buna-N O-Ring, 1.8 mm Wide, 6 mm ID | McMaster-Carr] |
| * [https://www.mcmaster.com/9262K166/ Oil-Resistant Buna-N O-Ring, 2 mm Wide, 6 mm ID | McMaster-Carr] | | * [https://www.mcmaster.com/9262K166/ Oil-Resistant Buna-N O-Ring, 2 mm Wide, 6 mm ID | McMaster-Carr] |
| + | |
| + | The bearing housing portion of the spindle has 8mm OD 1mm deep recesses with 4mm ID holes for O-rings. Maybe for one of these?: |
| + | |
| + | * [https://www.mcmaster.com/9262K627/ Oil-Resistant Buna-N O-Ring, 1.5 mm Wide, 4.5 mm ID | McMaster-Carr] |
| + | * [https://www.mcmaster.com/9262K163/ Oil-Resistant Buna-N O-Ring, 2 mm Wide, 4 mm ID | McMaster-Carr] (verified) |
| | | |
| === Fasteners === | | === Fasteners === |
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| 4x [https://www.mcmaster.com/91290A228/ Alloy Steel Socket Head Screw, Black-Oxide, M5 x 0.8 mm Thread, 12 mm Long | McMaster-Carr] | | 4x [https://www.mcmaster.com/91290A228/ Alloy Steel Socket Head Screw, Black-Oxide, M5 x 0.8 mm Thread, 12 mm Long | McMaster-Carr] |
| | | |
− | === Upper Rotor Bore Cover === | + | ==== Upper Rotor Bore Cover ==== |
| | | |
| For holding a lid over the upper part of the rotor to protect the floating bearings from contamination: | | For holding a lid over the upper part of the rotor to protect the floating bearings from contamination: |
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| 3x [https://www.mcmaster.com/91290A148/ Alloy Steel Socket Head Screw, Black-Oxide, M4 x 0.7 mm Thread, 12 mm Long | McMaster-Carr] | | 3x [https://www.mcmaster.com/91290A148/ Alloy Steel Socket Head Screw, Black-Oxide, M4 x 0.7 mm Thread, 12 mm Long | McMaster-Carr] |
| | | |
− | === Spindle Top Cap === | + | ==== Spindle Top Cap ==== |
| | | |
| For holding the water inlet/electrical inlet cap onto the main spindle body: | | For holding the water inlet/electrical inlet cap onto the main spindle body: |