Trolley - parts preparation

Step 1

Take 100 x 100 mm with 3 millimeters thick wall square profile. Use saw to cut it 130 mm long. Be sure that the rectangular cut is achieved. Smooth the rough edges with the file.

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Parts:

3 x 100 x 100 x 130 mm square profiles

Step 2

For marking the positions of the holes use laser cutted wooden box (mock up). Place 100 x 100 x 130 mm square profile into the box. Put a nail into the small holes on the box and punch it to make a mark on the profile.

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For the right positioning of the holes you can alternatively use the hole table and the associated technical drawing, found on Github.

Step 3

Use the center punch and the hammer to deepen the marks for the holes, which will serve as a guide for drilling.

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Jump back to the Guide for Drilling Holes

If you need help with drilling holes refer to the Guide for Drilling Holes in the second section of this Step-by-step assembly instructions.

Step 4

For the type and the size of the holes use a mock up box where the hole sizes are specified. Related surfaces are also marked on the mock up box.

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Alternatively you can use hole table on associated technical drawing for hole sizes, found on Github.

Step 5

To make threaded holes, firstly drill the hole aproximately 15% smaller than the nominal value. Then use a hand tap to cut in a thread. When rotating a tap make sure that it is perpendicular to the surface.

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We recommend you use machine grease to reduse friction, in order not to break the tap.

Verify the threaded hole with associated bolt.

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Use additional hex nut instead

Instead of making threaded holes, we can instead use additional hex nut, which is added to the inner side of the Beam Short.

Step 6

To drill a large hole on the front surface use a step drill.

Step 7

Position of the holes on the front surface. Front surface is the same for all three trolleys.

Step 8

Position of the holes on the top surface. Top surface on the Trolley Y1 and Y2 has two additional M8 threaded holes compared to Beam X – Main.

Step 9

Position of the holes on the back surface. Back surface on the trolley X has two additional 8 mm holes for Z-Axis attachment.

Step 10

Position of the holes on the bottom surface. Bottom surface is the same for all three trolleys.