Table of Contents
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Table of Contents
Summary of Contents for ACADEMY LCFF 1.2
- Page 1 LCFF Setup & Calibration Workshop Manual...
- Page 2 LCFF 1.2...
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Page 3: Table Of Contents
Contents 1 — Introduction 1 — Important Calibration Note 2 — Crate Contents SETUP 3 — LCFF 1.2 General Assembly 4 — Measurement System 5 — Carriage Datums & Clamping 6 — Head Tube & Rear Axle X Setting 7 — Angle Measurement Using Digital Angle Gauge 8 — Head Tube Y Setting 9 — Rear Axle Height Setting - BB DROP 10 — Rear Axle Height Setting - BB RISE... -
Page 4: Introduction
Introduction Important Calibration Note The Academy Tools Low Cost Frame Fixture (LCFF) provides affordability, accuracy Due to the variations in the beams it is necessary to calibrate the fixture for and ease of use thanks to clever design. each frame geometry setup and every time a carriage is repositioned. -
Page 5: Crate Contents
LCFF 1.2 - Crate Contents Loose Items Digital Angle Finder BB laser holder Turned parts Find fasteners inside skewer Setup & Calibra�on Workshop Manual Laser cut part packs Laser Pointer Calibra�on tool Pack A Pack B Pack C Pack D... -
Page 6: Lcff 1.2 General Assembly
LCFF 1.2 - General Assembly LCFF No. Description QTY. Pack Main Beam Assembly Front Axle Carriage Assembly Bo�om Bracket Carriage Assembly Rear Axle Carriage Assembly Head Tube Carriage Assembly Seat Tube Carriage Assembly Rear Axle Ver�cal Carriage Assembly Laser Calibra�on Assembly Calibra�on tool... -
Page 7: Measurement System
Seat angle Head angle LCFF Head Tube X Chain Stay length BB axis to Steering axis intersect Horizontal Horizontal LCFF 1.2 Setup & Calibration (Henry James X in BikeCAD) workshop manual v2 Page 4 © The Bicycle Academy Limited 2019... -
Page 8: Carriage Datums & Clamping
If the first lever (or bolt) is overtightened, the carriage up will not be able to move to reference the second datum face. Socket head bolt under carriage LCFF 1.2 Setup & Calibration workshop manual v2 Socket head bolt Page 5 under carriage ©... -
Page 9: Head Tube & Rear Axle X Setting
Head Tube & Rear Axle X Setting Front axle X reading Bottom bracket ruler datum Chainstay length horizontal reading LCFF 1.2 Setup & Calibration Shown without cover plate for clarity workshop manual v2 Page 6 © The Bicycle Academy Limited 2019... -
Page 10: Angle Measurement Using Digital Angle Gauge
Head tube beam Seat tube beam Seat tube Head tube Alternative position for angle finder when fixture is mounted in LCFF stand LCFF 1.2 Setup & Calibration workshop manual v2 Page 7 © The Bicycle Academy Limited 2019... -
Page 11: Head Tube Y Setting
Ensure the steel ruler references the datum plate as shown. If necessary push the ruler back against the back plate, in the direction of the laser cut arrow. LCFF 1.2 Setup & Calibration workshop manual v2 Page 8 © The Bicycle Academy Limited 2019... -
Page 12: Rear Axle Height Setting - Bb Drop
Rear Axle Height Setting - BB DROP Insert the steel ruler through BB drop slot as shown. Ensure the steel ruler references the datum plate as shown. LCFF 1.2 Setup & Calibration workshop manual v2 Page 9 © The Bicycle Academy Limited 2019... -
Page 13: Rear Axle Height Setting - Bb Rise
Rear Axle Height Setting - BB RISE Insert steel ruler through the BB rise slot as shown Ensure the ruler references the datum plate as shown LCFF 1.2 Setup & Calibration workshop manual v2 Page 10 © The Bicycle Academy Limited 2019... -
Page 14: Laser Pointer Calibration
Fig. 4 Fig. 5 strikes in the same place with the holder in both orienta- tions. This ESSENTIAL process verifies that LCFF 1.2 Setup & Calibration the laser is projecting perpendicular workshop manual v2 Page 11 to the BB axis. -
Page 15: Degrees Of Freedom
Degrees of freedom that enable fixture calibration Head tube centre line & roll Rear axle centre line, roll & yaw Seat tube centre line Roll Roll LCFF 1.2 Setup & Calibration workshop manual v2 Page 12 © The Bicycle Academy Limited 2019... -
Page 16: Correct Grub Screw Adjutment
In the case shown below, there would be a discrepancy in Head tube X dimension and top tube length. 90° 90° 90° LCFF 1.2 Setup & Calibration workshop manual v2 Page 13 © The Bicycle Academy Limited 2019... -
Page 17: Calibration Step 1 - Seat Tube Centre Line
Slacken the seat cone using the hexagon socket head bolt and slide the cone until the laser strikes the very tip. This position will be highlighted by an even light scatter on the cone. LCFF 1.2 Setup & Calibration workshop manual v2 Page 14... -
Page 18: Calibration Step 2 - Head Tube Centre Line & Roll
Adjustment screws shown with the 4x clamping bolts tightened - DO NOT OVER TIGHTEN. Adjustment screws Clamping bolts LCFF 1.2 Setup & Calibration workshop manual v2 Page 15 © The Bicycle Academy Limited 2019... -
Page 19: Calibration Step 3 - Rear Axle Centre Line & Roll
3x clamping bolts tightened - Adjustment DO NOT OVER TIGHTEN. screws Clamping Adjustment bolts screws LCFF 1.2 Setup & Calibration workshop manual v2 Page 16 © The Bicycle Academy Limited 2019... -
Page 20: Calibration Step 4 - Rear Axle Yaw
Repeat the process until you are satisfied that the laser strikes the calibration tool centre line in all positions. Yaw adjustment Clamping bolts LCFF 1.2 Setup & Calibration workshop manual v2 Page 17 © The Bicycle Academy Limited 2019... -
Page 21: Head Tube Pucks & Adaptors
Brass adaptors for various head tube diameters Lugless construction Lugged construction Optional extra Optional extra 33.7 29.6 43.8 1 1/8” head tube 1” head tube 44 mm head tube LCFF 1.2 Setup & Calibration workshop manual v2 Page 18 © The Bicycle Academy Limited 2019... -
Page 22: Bottom Bracket Adapters & Dummy Axle Setup
101, 102 BSA BB shell Some components removed for clarity Adapter for 68 mm BSA bo�om bracket Adapter for 73 mm BSA bo�om bracket LCFF 1.2 Setup & Calibration workshop manual v2 Page 19 © The Bicycle Academy Limited 2019... - Page 23 If you have any ques�ons please get in touch via email or phone: hello@thebicycleacademy.org +44 (0)1373 473767 The Bicycle Academy Limited is incorporated and registered in England and Wales with company no. 07890658 whose registered office is at The Welsh Mill, Park Hill Drive,...
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