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/]. $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/] | ||
Revision as of 06:16, 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]
- Cup costs just as much - [3]
- Can get 4" automotive bearings for $80 [4]
- and 3.75" bearings for $20 [5]
BOM
Spindle with Concrete Block
- 3" through feed for indexing lathe mill.
- Here is the macro - File:Spindleassy.fcmacro and the generating chat [9]. Bearing tapers and cups are shown (bearing in 2 parts). Some hallucination on drive, but in general concept is coming together.
- File:Spindlewithconcreteblock.fcstd
