W911SD-23-R-0100 SPECIFICATIONS CUF Sewing Machines SPECS.pdf

Blind Stitch Sewing Machine

Description. This sewing machine is for capacity increase capability at the Cadet Uniform Factory to meet daily and R-Day mission requirements. This machine is used for all trouser hemming operations conducted in the Cadet Uniform Factory.

Equipment Requirements.

a. One needle, one thread blind stitch.

b. Include skip stitch mechanism.

c. Sewing speed: at least 3,000 stitches / minute.

d. Work clamp: work clamp foot should lift a maximum of 10 mm.

e. Stitch length: should be 3.2 mm – 8.5 mm.

f. Material weight: light to medium.

g. Lubrication: automatic.

h. Machine should require min quantity of lubrication of the hook.

i. Lubricating oil: equivalent to ISO VG32.

j. Operate using 110 volts.

k. Machine parts and supplies should be compatible with the Yamato 352 blind stitch machine.

Vendor Requirements.

a. Machine must be delivered mounted on a standard worktable in a plug and play condition.

b. Must include all operation and maintenance instructions.

Double Chainstitch Sewing Machine

Description. This sewing machine is for replacement of equipment that has exceeded its service life.

The double chainstitch sewing machine is used for closing trousers seats for all trousers manufactured in the Cadet Uniform Factory.

Equipment Requirements.

a. Tandem 2 needle machine.

b. Maximum sewing speed: 6,000 stitches / minute.

c. Maximum stitch length: 4 mm.

d. Lift of the presser foot: By hand - 5.5 mm, By knee – 10 mm.

e. Needle bar stroke: 30 mm.

f. Thread take-up: needle bar thread take-up.

g. Stitch length adjustment: by stitch dial (lockstitch).

h. Condensation stitches: by lever for condensation stitching.

i. Looper system: rocking type looper.

j. Looper stroke: 22.6 mm.

k. Elliptical motion: 2.4 ~ 3.7 mm.

l. Lubrication: automatic.

m. Lubricating oil: equivalent to ISO VG7.

n. Needle cooler: included.

o. Operate using 110 volts.

Vendor Requirements.

Double Locked Stitch Sewing Machine

The double locked stitch sewing machine is used attaching waistband linings to all trousers manufactured in the Cadet Uniform Factory.

Equipment Requirements.

a. One needle.

b. Two thread plain feed.

c. Medium throw.

d. Zig-zag machine with upper roller feed.

e. Material weight: light to medium.

f. Stitch length adjustment: by adjusting screw.

g. Needle bar stroke: 30.5 mm.

h. Lubrication: automatic.

i. Lubricating oil: equivalent to ISO grade 22.

j. Stitch type: 404.Seam type: LSa-1 and / or BSa-1.

k. Operate using 110 volts.

Vendor Requirements.

Fabric Spreading Machine

Description. This is a machine to replace our current spreading system. The current system is past its service life and is greater than 20 years old. This machine is required to take unrolled rolls of fabric and spread them out on the cutting table. Once spread on the cutting table, fabric can be fed into the automated cutting machine.

Equipment Requirements. Stand alone computerized, cradle fed machine that provides a robust operating spreading system with rolls up to 2,200 lbs. Also, it must provide varying tension within a roll controlled by the angle of deflection of the fabric as it is fed into the machine; the machine should compensate accordingly.

a. Standard features.

1) Mechanical: Tilting deep “V” cradle feed system. Tensionless spreading of all fabrics, with automatic cloth tension control. All-wheel drive. Automatic spreading with hand-speed control handle for semi-automatic operation. Use standard guide track. Automatic chain tensioners. Automatic threading. Auto-elevating front end. Infra-red edge control with linear actuator. Speeds up to 110 yards / minute. Cradle mirror. Heavy duty rollers and bearings. And emergency stop switch on non-op side.

2) Controls: Touchscreen control unit that displays machine diagnostics and maintenance prompts.

Material utilization package with splice recognition. PLC. Material file management. Step layer capability. And management reporting.

3) Electrical: Ply counter. Out-of-cloth sensor. AC motor drive system. Power supply is 220V, 3 Phase.

b. Basic specifications.

1) Roll weight – maximum pounds: 550

2) Roll diameter – maximum inches: 30

3) Material width – inches: 66 - 72

4) Speed – maximum yards per minute: 110

5) Load height – inches: 23

6) Number of wheels on table: 4

7) Number of wheels driven: 4

c. Frame height:

1) Tuck blades & catchers, no knife: 8.25 inches.

2) Knife, no attachments: 9.75 inches.

3) Knife with bracket for attachments: 9 inches.

4) Knife with roller attachments: 7 inches.

5) Knife with face-to-face attachment, tuck blades: 4.75 inches.

6) Knife with face-up attachment (2): 4 inches.

7) Knife angled for dedicated face-up work: 9 inches.

a. Machine must be delivered as a standalone operation and plug and play ready.

b. Must include full operation and maintenance instructions.

High Post Sewing Machine

The high post machine provides lockstitch sewing for chevron and stripe operations performed by the Cadet Uniform Factory.

Equipment Requirements.

a. Feed system: bottom-feed.

b. Maximum sewing speed: 2,500 stitches / minute.

c. Maximum stitch length: 4 mm (normal / reverse feed).

d. Needle bar stroke: 36 mm.

e. Needle gauge: 1.6 mm.

f. Lift on the presser foot: By hand 7 mm; By knee 10 mm.

g. Thread take-up: slide type.

h. Hook: vertical axis.

i. Lubrication: by an oiler.

j. Lubricating oil: equivalent to ISO VG7.

k. Post height: 178 mm.

l. Bed size: 517 mm x 178 mm.

m. Weight of the machine head: 36 kg.

n. Operate using 110 volts.

b. Machine must be delivered with a needle positioner.

c. Must include all operation instructions and maintenance instructions.

Automated Textile Inspection Machine

Description. This is a new machine that will provide an expanded functionality to the Cadet Uniform Factory. This machine is used in the garment industry to inspect incoming textile fabric roles for quality defects. It accomplishes this function by recognizing defect patterns in fabric rolls.

Equipment Requirements.

a. Must be able to unroll and re-roll of fabric.

b. Must be able to count length of fabric.

c. Must have tensionless handling; low tension feeding device.

d. Must have appropriate illumination.

e. Must include straight roll selvedge. This includes auto edge alignment and auto spreading device.

f. Must include variable roll hardness.

g. Must be able to auto cut fabric.

h. Include a AC motor with variable machine speed – up to 15 meters / minute.

i. Must include a 4-point system. The 4-point system must be IAW American Apparel Manufactures Association criteria. The 4-point system must be able to assign 1,2,3,4 penalty points according to size and significance of the defect.

j. Include high image resolution: that is, high efficiency, high detection rate, & inspection for different types of fabrics.

k. Include an automatic fabric inspection capability based on image understanding algorithms that imitate the human visual system.

l. Be able to detect fabric defects, locate the defects in the fabric, mark the defects, record the defect, and store the defect; then be able to analyze or classify the information about the defects.

m. Include high performance image processing.

n. Must handle a max fabric width – 65 inches.

o. Utilize supply voltage – 220 V / 50 Hz / Single Phase.

p. Maximum dimensions of item (including rollers/casters) are: 82”H x 84” W x 70” D.

a. Machine must be delivered as a standalone operation and plug and play ready.

b. Must include all instruction material and maintenance manuals.