JST JGD-125C Water Cooled Spindle - Revision history

Fdarling: updated O-ring information

2022-05-23T21:10:40Z

updated O-ring information

← Older revision		Revision as of 21:10, 23 May 2022
Line 67:		Line 67:

	* [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/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]		* [https://www.mcmaster.com/9262K163/ Oil-Resistant Buna-N O-Ring, 2 mm Wide, 4 mm ID \| McMaster-Carr] (verified)

	=== Fasteners ===		=== Fasteners ===

Fdarling: added smaller O-ring candidates

2022-05-04T09:48:36Z

added smaller O-ring candidates

← Older revision		Revision as of 09:48, 4 May 2022
Line 55:		Line 55:
	=== O-rings ===		=== O-rings ===

	The top cap with the water inlets have 10mm OD 1mm deep recesses with a 6mm ID hole for O-rings. 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]
Line 64:		Line 64:
	* [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.		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]

	=== Fasteners ===		=== Fasteners ===

Fdarling: added more O-ring notes

2022-05-04T06:50:08Z

added more O-ring notes

← Older revision		Revision as of 06:50, 4 May 2022
Line 55:		Line 55:
	=== 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 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]
Line 63:		Line 63:
	* [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.

	=== Fasteners ===		=== Fasteners ===

Fdarling: added ID for spindle nose locknut

2022-04-21T01:07:28Z

added ID for spindle nose locknut

← Older revision		Revision as of 01:07, 21 April 2022
Line 43:		Line 43:
	* 5.1mm thick (dust shield portion)		* 5.1mm thick (dust shield portion)
	* 4x 3.5mm holes 3mm deep on a 44mm diameter circle		* 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 ===		=== Top Locknut ===

Fdarling: added circular connector information

2022-04-19T05:26:53Z

added circular connector information

← Older revision		Revision as of 05:26, 19 April 2022
Line 5:		Line 5:
	== Wiring ==		== Wiring ==

	Power inlet circular connector wiring:		Power inlet "WEIPU WS20" circular connector wiring:

	{\| class="wikitable"		{\| class="wikitable"
Line 23:		Line 23:
	\| (ground)		\| (ground)
	\|}		\|}

			The spindle has male pins inside an externally threaded receptacle.

	== Replacement Parts ==		== Replacement Parts ==

Fdarling: added power connector wiring

2022-04-19T05:19:16Z

added power connector wiring

← Older revision		Revision as of 05:19, 19 April 2022
Line 2:		Line 2:

	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 circular connector wiring:

			{\| class="wikitable"
			! Pin
			! Wire Color
			\|-
			\| 1
			\| yellow
			\|-
			\| 2
			\| blue
			\|-
			\| 3
			\| red
			\|-
			\| 4
			\| (ground)
			\|}

	== Replacement Parts ==		== Replacement Parts ==

Fdarling: fixed formatting

2022-04-16T03:44:31Z

fixed formatting

← Older revision		Revision as of 03:44, 16 April 2022
Line 74:		Line 74:
	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:
Line 80:		Line 80:
	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:

Fdarling: added locknut information

2022-04-16T00:42:49Z

added locknut information

← Older revision		Revision as of 00:42, 16 April 2022
Line 12:		Line 12:

	<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

			=== 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 ===

Fdarling: initial page creation

2022-04-15T23:40:33Z

initial page creation

New page

== Overview ==

A 5.5kW / 6kW Chinese water cooled spindle with an ER25 collet chuck. It is marketed for stone engraving rather than CNC routing.

== Replacement Parts ==

=== Angular Contact Bearings ===

<pre>7007C T 2RZ HQ1 P4 DBL Z3X 131018044B</pre>

=== Deep Groove Bearings ===

<pre>SKF E2 6004-2Z/C3 15 260 K</pre>

=== 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?:

* [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/1171N181/ Square-Profile Oil-Resistant Buna-N O-Ring, 2 mm Wide, 6 mm ID | McMaster-Carr]
* [https://www.mcmaster.com/9262K628/ Oil-Resistant Buna-N O-Ring, 1.5 mm Wide, 6.5 mm ID | McMaster-Carr]
* [https://www.mcmaster.com/9262K595/ Oil-Resistant Buna-N O-Ring, 1.78 mm Wide, 6.35 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]

=== Fasteners ===

==== Dust Shield ====

For holding the dust shield to the lower angular contact bearing retaining ring:

4x [https://www.mcmaster.com/91290a140/ Alloy Steel Socket Head Screw, Black-Oxide, M4 x 0.7 mm Thread, 8 mm Long | McMaster-Carr]

==== Lower Angular Contact Bearing Retaining Ring ====

For holding the lower angular contact bearing retaining ring to the bearing housing:

4x [https://www.mcmaster.com/91290A148/ Alloy Steel Socket Head Screw, Black-Oxide, M4 x 0.7 mm Thread, 12 mm Long | McMaster-Carr]

There are two M4-0.7 tapped holes 9.5mm deep for jacking the ring away from the housing, we used 25mm long screws.

==== Bearing Housing ====

Grub screws w/ teflon tape for sealing some water ports (manufacturing process side effect?):

2x [https://www.mcmaster.com/91210A310/ Alloy Steel Cone-Point Set Screw, M6 x 1 mm Thread, 8 mm Long | McMaster-Carr]

TODO verify the following:

For holding the bearing housing to the main spindle body:

6x [https://www.mcmaster.com/91290A232/ Alloy Steel Socket Head Screw, Black-Oxide, M5 x 0.8 mm Thread, 16 mm Long | McMaster-Carr]

==== Upper Angular Contact Bearing Retaining Ring ====

For holding the upper angular contact bearing retaining ring onto the housing:

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 ===

For holding a lid over the upper part of the rotor to protect the floating bearings from contamination:

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 ===

For holding the water inlet/electrical inlet cap onto the main spindle body:

6x [https://www.mcmaster.com/91290A256/ Alloy Steel Socket Head Screw, Black-Oxide, M5 x 0.8mm Thread, 35mm Long, Partially Threaded | McMaster-Carr]

TODO military connector screws?

== Online Resources ==

[https://www.aliexpress.com/item/1005001993140654.html JGD 125C Spindle Motor 5.5 KW ER25 Stone Water Cooling Cnc Milling Machine Spindle 380v / 220v 4pcs Bearing High Speed|Machine Tool Spindle| - AliExpress]