R0000971E Bench Assemble R Axis Gearbox

Assembly instructions for R axis gearbox

Difficulté

Hard Difficile

Durée

1 hour(s) heure(s)

R0000971E_Bench_Assemble_R_Axis_Gearbox_Screenshot_2023-07-18_122556.png

Introduction

Tools Required

Standard hex key set

Standard spanner set

Tensioning jig

Standard HSS drill set

300mm rule

Parts Required

B0000062 Circlip 20mm External x 2

B0000092 Belt: Toothed 640-8MGT 20 (R Axis) (KEVLAR) x 1

B0000095 Bearing NR6004 2RS with snap ring (NSK) x 2

C0001211 Gearbox NP035s 5:1 x 1

D0000268 Rotary Drive Tooth Pulley x 1

D0001286B-2MOD Welded Ring Pinion Gear 2MOD (for 8mm key) x 1

D0006058 Gearbox Plate x 1

D0006060 Spigot Cap x 1

D0007849 Servo gearbox cap x 1

D0008585B Rotary Ring Drive Pulley (for 8mm key) x 1

D0015801 Feather Key 8mm x 8mm x 22mm x 1

Étape 1 - Unless otherwise stated

Use Loctite 243 on all fasteners

Use Loctite 572 on all threaded pneumatic connection

Pen mark all fasteners to show finalised

Étape 2 - Assemble drive spigot

1 Press B0000095 Bearing into D0006060 Spigot Cap so snap ring sits flush

2 Fit D0001286B-2MOD Welded Ring Pinion Gear 2MOD as shown Use jig to ensure bearing is not moved from location. Push through until circlip groove is in correct place

Étape 3 - fit key and pulley

1 Fit Circlip 20mm and D0015801 Feather Key 8mm x 8mm x 22mm as shown

2 Fit D0008585B Rotary Ring Drive Pulley as shown . Only press down until circlip groove is present

3 Fit 20mm external circlip

Étape 4 - Attach to gearbox plate

1 Attach B0000092 Belt: Toothed 640-8MGT 20 as shown

2 Press pinion assembly onto gearbox plate

...Do not force past contact point indicated. This can cause distortion on pinion assembly

3 Secure lightly with 4 off M6 x 35 socket caps

4 Add 2 off 8mm x 50mm dowels into indicated holes . Ream if holes are tight

5 Finalise 4 off M6 socket caps

Étape 5 - Gear box bung supplied with gearbox C0001211

...Ensure plastic bung issued with gearbox remains with gearbox at all times for later fitting

Étape 6 - Check pulley fitment

Check D0000268 Rotary Drive Tooth Pulley fits onto C0001211 Gearbox

If pulley fits move to step 6, if it does not fit follow these steps

1 Remove key from gearbox shaft

...Take care not to damage shaft or keyway . Try clamping keyway in a vice to remove from shaft

2 Test pulley again for fitment.

• If the pulley still does not fit, polish inner face of pulley until fitment is achieved
• if the pulley does fit when the key is removed , move to next step

3 Refit key

4 Test pulley , if the pulley still doesn't fit correctly dress keyway slot gently until fit is achieved

Étape 7 - Fit Servo gearbox cap

1 Fit D0007849 Servo gearbox cap as shown. No adhesive on the 4 off M8 x 35 socket caps

Orientate as shown

2 Fit D0000268 pulley

Étape 8 - Couple and align gearbox and pinion assembly

Insert part1 through part 2

Hook over belt (3)

insert 4 off m8 x 50 with a form washers a pull to face lightly

Étape 9 - Align pulleys

Adjust pulley 1 up or down to match pulley 2 as shown

Étape 10 - Remove pulley assembly

Reverse steps to remove assembly 1

Remove part 2

...Ensure pulley retains its position through these steps

Tighten grubscrew to leave witness mark , Remove pulley and drill 5mm dimple at indicated point

Use M6 x 10 kcp grubscrew to lock pulley in final position

Rebuild parts to get to 3

Étape 11 - Tension belt

1 Attach tensioning jig as shown

2 Apply tension to belt , spreading tension over two bolts indicated . Maintain parallel on these faces as adjusting

Set belt tension to 5mm deflection (Drum Tight )

Étape 12 - finalise position

finalise 4 off m8 socket caps to hold tension

Remove setting jig plates

Étape 13 - Quality check

Quality check required on belt tension

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