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DIY Ball Launcher ?Updated Version?
by slulu226 on September 4, 2015
Table of Contents
DIY Ball Launcher ?Updated Version? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
Intro: DIY Ball Launcher ?Updated Version? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Step 1:
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Step 2:
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Step 3:
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Step 4:
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Step 5:
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Step 6:
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Step 7:
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Step 8:
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Step 9:
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Step 10:
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Step 11:
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Step 12:
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Step 13:
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Step 14:
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Step 15:
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Step 16:
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Step 17:
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Step 18:
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Step 19:
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Step 20:
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Step 21:
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Step 22:
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Step 23:
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Related Instructables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Advertisements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Comments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
http://www.instructables.com/id/DIY-Ball-Launcher-Updated-Version/
Intro: DIY Ball Launcher ?Updated Version?
First, thanks for your support to the old version. The package is on sale now !
A few days ago, I talked with Makeblock about this ball launcher. They optimized this launcher for better user experience and safety. In return, they send me a set of this
launcher. So I decided to rewrite the instructions.
Step 1:
Let's start with Unpacking. It's a simple carton box with a SKU label. They call it "Friction Wheel Launcher Package". The packing protection is professional. Lots of EPE
foam, bubble bags, anti-static bags…
http://www.instructables.com/id/DIY-Ball-Launcher-Updated-Version/
Step 2:
What's in the box:
http://www.instructables.com/id/DIY-Ball-Launcher-Updated-Version/
Step 3:
The frame
Required parts:
2 x Beam2424-312
2 x Beam0824-320
2 x Beam0824-144
2 x Bracket 3x3
4 x Rubber foot
8 x Lock nut M4
6 x Screw M4x22
10 x Screw M4x30
Build the frame with these parts.
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http://www.instructables.com/id/DIY-Ball-Launcher-Updated-Version/
Step 4:
Friction Wheel Module
Required parts:
2 x PU Wheel 125mm (with Wheel hub)
1 x Timing Pulley 62T
2 x Timing Pulley Slice 62T
1 x Shaft D8x96mm
1 x Washer 8x1.6
2 x Set screw M5x5
2 x Plastic rivet 4060
2 x Screw M4x14
The rivets and the timing pulleys need to be bonded together with glue. Be careful not to touch glue with your fingers.
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http://www.instructables.com/id/DIY-Ball-Launcher-Updated-Version/
Step 5:
Prepare the parts to mount friction wheel on the frame
Required parts:
4 x U Bracket - C
4 x Protective acrylic sheet
4 x F688ZZ Flange Bearing
1 x 132MXL timing belt
1 x 240MXL timing belt
12 x Screw M4x8
8 x Lock nut M4
8 x Screw M4x35
http://www.instructables.com/id/DIY-Ball-Launcher-Updated-Version/
Step 6:
Assemble the U brackets and protective acrylic sheets of one side
You can remove the other beam-2424 to get enough room to mount the friction wheels later.
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Step 7:
Mount the U brackets and protective acrylic sheets to the other beam-2424
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Step 8:
Assemble the friction wheels
Don't forget to attach the timing belt to the right timing pulley. The 240MXL (the longer one) is on the top, and the 132MXL (the shorter one) is on the bottom.
Step 9:
Then mount the beam-2424 to the frame.
http://www.instructables.com/id/DIY-Ball-Launcher-Updated-Version/
Step 10:
Complete the whole frame.
Step 11:
Prepare the parts of the motor and timing pulley module.
Required parts:
1 x CNC motor (with the chuck key)
1 x motor case 1 x shaft 4x56mm
1 x Screw M4x30
1 x Set screw M3x5
2 x Screw M4x16
1 x Timing pulley 90T
2 x Timing pulley slice 90T
2 x Rivet 4120 1 x Shaft connector 4mm
http://www.instructables.com/id/DIY-Ball-Launcher-Updated-Version/
Step 12:
Complete the timing pulley module and the motor module
Step 13:
Put them together and mount them to the frame
Now you need to adjust the position of the motor case very carefully, to get the proper tightness of the timing belt. After that, mount the motor case to the frame with two
M4x8 screws.
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Step 14:
Then the other motor module
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Step 15:
Reinforce the shaft
Since the output shaft is a cantilever construction, it would vibrate or even be damaged easily. So it's necessary to
fix it onto the frame.
Required parts:
2 x Shaft collar 4mm
2 x Flange Bearing 4x8x3
1 x Beam0808-136
4 x Screw M4x8
2 x Bracket P3 A
3 x Screw M4x16
http://www.instructables.com/id/DIY-Ball-Launcher-Updated-Version/
Step 16:
Mount the motor drivers to the acrylic sheet
Required parts:
2 x Motor driver
1 x acrylic sheet
8 x Nut M3
8 x Screw M3
http://www.instructables.com/id/DIY-Ball-Launcher-Updated-Version/
Step 17:
Complete the triangle structure
Required parts:
2 x Beam0824-320
4 x Lock nut M4
2 x Screw M4x22
2 x Screw M4x35 Fix one end of beam-0824,
put the acrylic sheet into the slots, and fix the other end of beam-0824.
You may need a helper to hold the frame while you are trying to fix the second end of beam-0824.
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http://www.instructables.com/id/DIY-Ball-Launcher-Updated-Version/
Step 18:
The slide rail
Required parts:
2 x Beam0808-312
2 x Bracket P1
1 x plate 45°
4 x Screw M4x8
Step 19:
Mount the slide rail to the frame
Required parts:
2 x Shaft D4x160
12 x Shaft collar 4mm
12 x set screw m3x5
2 x plate 45°
2 x Lock nut M4
2 x Screw M4x16
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Step 20:
It may be a little tricky to pass the shaft through the holes. Be patient.
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Step 21:
The Wires
The length of each wire is 1m. Cut them into 40cm, 25cm, 20cm and 15cm. Then cut a little piece of red wire.
Tin plate every single end of the wires.
Step 22:
Wire everything up
Wrap up every joint with hot melt glue, heat-shrink tube or electrical tape in case that it short out.
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Step 23:
Done!
Now everything is OK. Just plug the batteries and do some tests! As you can see in the picture, there are some spare screws and nuts left. Keep them for a rainy day. :)
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