Critical Measurements

Table of Contents and Critical Mechanical Settings and Assemblies for AMAYA

Introduction

 

Set the angle of your PCB before you set the Z-timing.

Z-TIMING:  Bottom Center, 0.090” Rise (Hook Timing) and Head Timing

179.5-180.5 Z-degrees - Bottom Dead Center

.090" [2.29mm] Z-Axis Rise: 199.4 ° - 200.6 °

.001" [0.028mm] Z-Axis Rise: 182 ° - 183 °

Needle Depths

1/4-1/2 of through portion of needle eye

Hook Timing

Set at 0.090” rise

Needle Drive Stud to Reciprocator Fit

0.006” [0.15mm] max.

Upper Arm to Lower Bed Alignment

True position: .010” (+/-0.004”)

Needle Case Calibration

True position: .010” (+/-0.004”)

Needle to Hook Gap

0.004- 0.012" [0.1- 0.3 mm] (reference)

Needle Guard Gap

0.001 in / 0.025mm minimum

Hook to Retaining Finger Gap

0.018" - .022"  [0.46 mm - 0.56 mm] minimum

Take-up Lever Stroke

51 - 52 mm

Take-Up Lever Fit to Shaft

Free Rotation

Take-Up Lever End Play

0.030-0.040” [0.75-1.15mm]

Cam Follower Preload

4.5-5.0 in-lbs.

Pull Force on Take-Up Lever

1.4-1.5 lbs

Color Change Lead Screw

0.025” [0.64mm] straightness

Color Change Housing Location

 

Bobbin Tension

15-25 cN

Presser Foot Adjustment @ BDC

0.1- 0.6 mm

Thread Feed FWD 200

88-90 mm

Needles

Organ DBxK5 75/11 (010968-01)

Needle Orientation

5 degrees to the right recommended

range of 0-20 degrees to the right is acceptable

Hook

Melco-Cerliani (PN: 32644-01, Coated)

Melco-Cerliani (PN: 32644, Uncoated)

Z-Belt Tension

68-72 Hz [6.8+/-0.3 lbs.]

X-Cable Tension

145 +/- 5 Hz [10.5 +/- 0.5 lbs.]

Y-Axis Timing Belt Tension

45-50 Hz [8.1 ± 0.3 lbs.]

Maximum Front to Back Needle Position Variance

.006" [0.15mm]

Proper Lubrication of Moving Parts