Open Source Spindle Cartridge: Difference between revisions
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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] | ||
**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/] | ||
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=BOM= | =BOM= | ||
*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] | |||
*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. | |||
*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:spindle.png]] | |||
Latest revision as of 06:22, 4 January 2026
FreeCAD = File:Spindlecartridge.fcmacro
These are thousands off the shelf, so need to go open source.
- 4.5" 8450 TIMKEN BEARING CONE 4.5in ID [1]. $38 [2]
- Can get 4" automotive bearings for $80 [6]
- and 3.75" bearings for $20 [7]
BOM
Spindle with Concrete Block
- 3" through feed for indexing lathe mill.
- Here is the macro - File:Spindleassy.fcmacro and the generating chat [11]. Bearing tapers and cups are shown (bearing in 2 parts). Some hallucination on drive, but in general concept is coming together.
- File:Spindlewithconcreteblock.fcstd
