projects:bridgeport
Differences
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projects:bridgeport [2018/02/23 02:15] – enleth | projects:bridgeport [2020/01/07 00:01] – [Spindle transmission] enleth | ||
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====== Technical specifications ====== | ====== Technical specifications ====== | ||
+ | ===== Spindle bearings ==== | ||
+ | |||
+ | Main bearings: currently NSK 7207CTRDULP4Y. Previously FAFNIR 207. | ||
+ | |||
+ | Suitable NSK part numbers match '' | ||
+ | |||
+ | If replacement is needed, the requirements are: | ||
+ | * 35x72x17mm (7207) | ||
+ | * angular contact bearings, 15deg contact angle (C) | ||
+ | * any cage material suitable for spindles (TR, TYN, possibly some other options, see NSK designation guides) | ||
+ | * matched pair (D) | ||
+ | * universal or back-to-back arrangement (U, B) | ||
+ | * low or medium preload (L, M) | ||
+ | * ABEC7 or ISO P4 rating, those two are equivalent (P4) | ||
+ | * " | ||
+ | |||
+ | |||
===== Spindle transmission ===== | ===== Spindle transmission ===== | ||
* Minimum center distance - motor shaft to driven shaft: 244.5mm | * Minimum center distance - motor shaft to driven shaft: 244.5mm | ||
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* Input from knee manifold left [M8x1.0 bushing, sleeve] | * Input from knee manifold left [M8x1.0 bushing, sleeve] | ||
* Y ball nut: FJB-1, [M8x1.0 nut, sleeve] brass tube | * Y ball nut: FJB-1, [M8x1.0 nut, sleeve] brass tube | ||
- | * ?: FJB-1, [M8x1.0 nut, sleeve] tube 45cm | + | * Table rear left: FJB-1, [M8x1.0 nut, sleeve] tube 45cm |
- | * ?: FJB-0, [M8x1.0 nut, sleeve] tube 30cm | + | * Saddle left: FJB-0, [M8x1.0 nut, sleeve] tube 30cm |
- | * ?: FJB-1, [M8x1.0 nut, sleeve] tube 35cm | + | * Table front left: FJB-1, [M8x1.0 nut, sleeve] tube 35cm |
* Output to saddle manifold 2: [M8x1.0 bushing, sleeve] tube 45cm | * Output to saddle manifold 2: [M8x1.0 bushing, sleeve] tube 45cm | ||
- | * ?: FJB-1, [M8x1.0 nut, sleeve] tube 25cm | + | * Table front right: FJB-1, [M8x1.0 nut, sleeve] tube 25cm |
- | * ?: FJB-0, [M8x1.0 nut, sleeve] tube 10cm | + | * Saddle right: FJB-0, [M8x1.0 nut, sleeve] tube 10cm |
* Saddle manifold 2: 4-way | * Saddle manifold 2: 4-way | ||
* Input from saddle manifold 1: [M8x1.0 bushing, sleeve] | * Input from saddle manifold 1: [M8x1.0 bushing, sleeve] | ||
- | * ?: FJB-00, [M8x1.0 nut, sleeve] tube 35cm | + | * X ball nut: FJB-00, [M8x1.0 nut, sleeve] tube 35cm |
- | * ?: FJB-1, [M8x1.0 nut, sleeve] tube 25cm | + | * Table rear right: FJB-1, [M8x1.0 nut, sleeve] tube 25cm |
* [M8x1.0 plug] | * [M8x1.0 plug] | ||