Main-Gear-Box, for Helicopter, Full metal bearing type
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3D model description
This model is a modified model of Main-Gear-Box (see URL) created previously.
The modification purpose is for using the major components of the Helicopter-Power-Train model which driven by Turboshaft model (see URL) created recently.
About Helicopter-Power-Train model image, refer to the photo.
The following modifications are introduced in order to obtain the stable rotation.
1. Use Metal Bearings for all the rotation shafts.
2. Change Input Gear into Bevel Gear.
3. Provisions so that Main Rotor Head will be attached in the Future.
"Freewheel Clutch" is uploaded as option. Refer to;
Assembly Manual (PDF format, total 14 pages)
The detail assembly manual including "Parts-List", "After printing treatment" and "Assembly procedure" are prepared based on "Standard Skill (Filing, Drilling, Tapping and painting)".
Download files includes;
-files: STL Files (24 items)
STL file name: "ws" of last 2 digits means "With Support" which special designed.
Purchase Parts Information;
Metal Bearings are used for every shafts. See Assembly Manual.
Estimate cost is about 6,000yen for 1 set of bearings in Japan.
See Assembly Manual.
-Screws and etc.
Micro screws M1.4x3.5L - 5 ea - Direct screw-in to 1 mm diameter hole (No nut),
Other size of Screws - See Assembly Manual.
Total Net Print Time: Approx. 35HR
- (Estimated as case of PLA, 0.4mm Nozzle, 0.2mm Layer Height, 40% infill and No raft and support)
Note: When at actual print, each parameter may be adjusted by your experience.
I do hope your success!!
Part info. in Assembly Manual revised
No Special Support Parts are added by request from purchaser.
Freewheel Clutch uploaded as ;
See Figure added
3D printing settings
3D printing settings
Raft, Support, Layer Height, Infill: Depending on your experience.
But the parts having gear, small shaft and thin portion: 100% infill is recommended.
My models were printed by "idbox" using with 0.4 nozzle, 1.75 PLA.
3D printer file information
3D design format: STL and ZIP Folder details Close
- Assembly Manual-01.zip
- Last update: 2020/02/20 at 15:46
- Publication date: 2018/06/23 at 03:14
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