Open Source Spindle Cartridge - Revision history

Marcin at 06:22, 4 January 2026

2026-01-04T06:22:32Z

← Older revision		Revision as of 06:22, 4 January 2026
Line 5:		Line 5:
	These are thousands off the shelf, so need to go open source.		These are thousands off the shelf, so need to go open source.
	*4.5" 8450 TIMKEN BEARING CONE 4.5in ID [https://www.ironwingsales.com/product/timken-bearing-cone-45in-id-61053/]. $38 [https://www.ebay.com/itm/265477134179]		*4.5" 8450 TIMKEN BEARING CONE 4.5in ID [https://www.ironwingsales.com/product/timken-bearing-cone-45in-id-61053/]. $38 [https://www.ebay.com/itm/265477134179]
	**Cup costs just as much - [https://www.summitracing.com/parts/tmk-68709?srsltid=AfmBOoo7EC584Lx8bolhdEPXhi3w4JMSZhSFCDSoBr5hTyI0x6cScgCe]		**Cup costs just as much - [https://www.summitracing.com/parts/tmk-68709?srsltid=AfmBOoo7EC584Lx8bolhdEPXhi3w4JMSZhSFCDSoBr5hTyI0x6cScgCe]. Or this - [https://www.ebay.com/itm/126510075310]
			**Crosses over to SKF, Enduro, NTN, Koyo, etc [https://www.google.com/search?q=is+there+any+other+company+that+makes+equivalent+cup+or+to+68709+timken]
	* Can get 4" automotive bearings for $80 [https://www.ironwingsales.com/product/timken-bearing-set-4in-id-61875in-od-651400/]		* Can get 4" automotive bearings for $80 [https://www.ironwingsales.com/product/timken-bearing-set-4in-id-61875in-od-651400/]
	*and 3.75" bearings for $20 [https://www.ironwingsales.com/product/bower-bearing-bearing-set-375in-id-6in-od-198131/]		*and 3.75" bearings for $20 [https://www.ironwingsales.com/product/bower-bearing-bearing-set-375in-id-6in-od-198131/]

Marcin at 06:16, 4 January 2026

2026-01-04T06:16:02Z

← Older revision		Revision as of 06:16, 4 January 2026
Line 5:		Line 5:
	These are thousands off the shelf, so need to go open source.		These are thousands off the shelf, so need to go open source.
	*4.5" 8450 TIMKEN BEARING CONE 4.5in ID [https://www.ironwingsales.com/product/timken-bearing-cone-45in-id-61053/]. $38 [https://www.ebay.com/itm/265477134179]		*4.5" 8450 TIMKEN BEARING CONE 4.5in ID [https://www.ironwingsales.com/product/timken-bearing-cone-45in-id-61053/]. $38 [https://www.ebay.com/itm/265477134179]
			**Cup costs just as much - [https://www.summitracing.com/parts/tmk-68709?srsltid=AfmBOoo7EC584Lx8bolhdEPXhi3w4JMSZhSFCDSoBr5hTyI0x6cScgCe]
	* Can get 4" automotive bearings for $80 [https://www.ironwingsales.com/product/timken-bearing-set-4in-id-61875in-od-651400/]		* Can get 4" automotive bearings for $80 [https://www.ironwingsales.com/product/timken-bearing-set-4in-id-61875in-od-651400/]
	*and 3.75" bearings for $20 [https://www.ironwingsales.com/product/bower-bearing-bearing-set-375in-id-6in-od-198131/]		*and 3.75" bearings for $20 [https://www.ironwingsales.com/product/bower-bearing-bearing-set-375in-id-6in-od-198131/]

Marcin at 06:11, 4 January 2026

2026-01-04T06:11:32Z

← Older revision		Revision as of 06:11, 4 January 2026
Line 4:		Line 4:

	These are thousands off the shelf, so need to go open source.		These are thousands off the shelf, so need to go open source.
	*4.5" 8450 TIMKEN BEARING CONE 4.5in ID [https://www.ironwingsales.com/product/timken-bearing-cone-45in-id-61053/]		*4.5" 8450 TIMKEN BEARING CONE 4.5in ID [https://www.ironwingsales.com/product/timken-bearing-cone-45in-id-61053/]. $38 [https://www.ebay.com/itm/265477134179]
	* Can get 4" automotive bearings for $80 [https://www.ironwingsales.com/product/timken-bearing-set-4in-id-61875in-od-651400/]		* Can get 4" automotive bearings for $80 [https://www.ironwingsales.com/product/timken-bearing-set-4in-id-61875in-od-651400/]
	*and 3.75" bearings for $20 [https://www.ironwingsales.com/product/bower-bearing-bearing-set-375in-id-6in-od-198131/]		*and 3.75" bearings for $20 [https://www.ironwingsales.com/product/bower-bearing-bearing-set-375in-id-6in-od-198131/]

Marcin: /* Spindle with Concrete Block */

2026-01-04T05:30:22Z

Spindle with Concrete Block

← Older revision		Revision as of 05:30, 4 January 2026
Line 15:		Line 15:
	=Spindle with Concrete Block=		=Spindle with Concrete Block=
	*3" through feed for indexing lathe mill.		*3" through feed for indexing lathe mill.
	*Here is the macro - [[File:spindleassy.fcmacro]] and the generating chat [https://chatgpt.com/share/6959dcd2-ecd8-8010-8a6d-eeed6c99dad4]		*Here is the macro - [[File:spindleassy.fcmacro]] and the generating chat [https://chatgpt.com/share/6959dcd2-ecd8-8010-8a6d-eeed6c99dad4]. Bearing tapers and cups are shown (bearing in 2 parts). Some hallucination on drive, but in general concept is coming together.
	*[[File:spindlewithconcreteblock.fcstd]]		*[[File:spindlewithconcreteblock.fcstd]]

	[[File:spindle.png]]		[[File:spindle.png]]

Marcin: /* Spindle with Concrete Block */

2026-01-04T05:29:06Z

Spindle with Concrete Block

← Older revision		Revision as of 05:29, 4 January 2026
Line 15:		Line 15:
	=Spindle with Concrete Block=		=Spindle with Concrete Block=
	*3" through feed for indexing lathe mill.		*3" through feed for indexing lathe mill.
	*Here is the macro - [[File:spindleassy.fcmacro]] and the generating chat []		*Here is the macro - [[File:spindleassy.fcmacro]] and the generating chat [https://chatgpt.com/share/6959dcd2-ecd8-8010-8a6d-eeed6c99dad4]
	*[[File:spindlewithconcreteblock.fcstd]]		*[[File:spindlewithconcreteblock.fcstd]]

	[[File:spindle.png]]		[[File:spindle.png]]

Marcin: /* Spindle with Concrete Block */

2026-01-04T05:28:40Z

Spindle with Concrete Block

← Older revision		Revision as of 05:28, 4 January 2026
Line 15:		Line 15:
	=Spindle with Concrete Block=		=Spindle with Concrete Block=
	*3" through feed for indexing lathe mill.		*3" through feed for indexing lathe mill.
			*Here is the macro - [[File:spindleassy.fcmacro]] and the generating chat []
	*[[File:spindlewithconcreteblock.fcstd]]		*[[File:spindlewithconcreteblock.fcstd]]

	[[File:spindle.png]]		[[File:spindle.png]]

Marcin: /* Spindle with Concrete Block */

2026-01-04T05:26:07Z

Spindle with Concrete Block

← Older revision		Revision as of 05:26, 4 January 2026
Line 15:		Line 15:
	=Spindle with Concrete Block=		=Spindle with Concrete Block=
	*3" through feed for indexing lathe mill.		*3" through feed for indexing lathe mill.
	*[[File:spindlewithconcreteblock.fcstd		*[[File:spindlewithconcreteblock.fcstd]]

			[[File:spindle.png]]

Marcin at 05:25, 4 January 2026

2026-01-04T05:25:47Z

← Older revision		Revision as of 05:25, 4 January 2026
Line 12:		Line 12:
	*Use 4.5" OD schedule 160 pipe - [https://www.tottentubes.com/4-sch-160-carbon-steel-pipe-p-1471.html]		*Use 4.5" OD schedule 160 pipe - [https://www.tottentubes.com/4-sch-160-carbon-steel-pipe-p-1471.html]
	*4.5"x3.25" DOM [https://www.onlinemetals.com/en/buy/carbon-steel/4-5-od-x-0-625-wall-x-3-25-id-carbon-steel-round-tube-1026-dom/pid/mp-00041494] $10/inch		*4.5"x3.25" DOM [https://www.onlinemetals.com/en/buy/carbon-steel/4-5-od-x-0-625-wall-x-3-25-id-carbon-steel-round-tube-1026-dom/pid/mp-00041494] $10/inch

			=Spindle with Concrete Block=
			*3" through feed for indexing lathe mill.
			*[[File:spindlewithconcreteblock.fcstd

Marcin: /* BOM */

2026-01-04T04:00:26Z

BOM

← Older revision		Revision as of 04:00, 4 January 2026
Line 11:		Line 11:
	*Use 4.5" schedule 40 pipe - [https://dmsteel.com/products/sch-40-pipe-4-id-x-4-50-od#:~:text=In%20stock,4.50%20OD%20Add%20to%20cart]		*Use 4.5" schedule 40 pipe - [https://dmsteel.com/products/sch-40-pipe-4-id-x-4-50-od#:~:text=In%20stock,4.50%20OD%20Add%20to%20cart]
	*Use 4.5" OD schedule 160 pipe - [https://www.tottentubes.com/4-sch-160-carbon-steel-pipe-p-1471.html]		*Use 4.5" OD schedule 160 pipe - [https://www.tottentubes.com/4-sch-160-carbon-steel-pipe-p-1471.html]
	*4.5"x3.25" DOM [https://www.onlinemetals.com/en/buy/carbon-steel/4-5-od-x-0-625-wall-x-3-25-id-carbon-steel-round-tube-1026-dom/pid/mp-00041494]		*4.5"x3.25" DOM [https://www.onlinemetals.com/en/buy/carbon-steel/4-5-od-x-0-625-wall-x-3-25-id-carbon-steel-round-tube-1026-dom/pid/mp-00041494] $10/inch

Marcin: /* BOM */

2026-01-04T04:00:12Z

BOM

← Older revision		Revision as of 04:00, 4 January 2026
Line 11:		Line 11:
	*Use 4.5" schedule 40 pipe - [https://dmsteel.com/products/sch-40-pipe-4-id-x-4-50-od#:~:text=In%20stock,4.50%20OD%20Add%20to%20cart]		*Use 4.5" schedule 40 pipe - [https://dmsteel.com/products/sch-40-pipe-4-id-x-4-50-od#:~:text=In%20stock,4.50%20OD%20Add%20to%20cart]
	*Use 4.5" OD schedule 160 pipe - [https://www.tottentubes.com/4-sch-160-carbon-steel-pipe-p-1471.html]		*Use 4.5" OD schedule 160 pipe - [https://www.tottentubes.com/4-sch-160-carbon-steel-pipe-p-1471.html]
			*4.5"x3.25" DOM [https://www.onlinemetals.com/en/buy/carbon-steel/4-5-od-x-0-625-wall-x-3-25-id-carbon-steel-round-tube-1026-dom/pid/mp-00041494]