Pocketwelting Machine LW-7001
- lockstitch pocketwelting machine
- sewing straight and slanted (angle) welts
- many accessories according to the customer's order
- machine control via touch panel
- made in Czech Republic
The versatile lockstitch pocketwelting machine can be used for all types of welted pockets and is ideal for all segments of the apparel industry. Available models and a range of optional accessories make the lockstitch pocketwelting machine capable for use on a wide variety of applications. The LW 7001 lockstitch pocketwelting machine is capable of sewing at high speeds of up to 3,000 spm. The lockstitch pocketwelting machine is capable of sewing straight and slanted (angle) welts depending on the machine modification stationary tab knives combined with the AC servo motor controlled carriage movement ensures high quality corner cutting on all kinds of fabric. The LW 7001 lockstitch pocketwelting machine is equipped with large graphic touch screen that provides the operator with a user friendly working environment and with icons for every operation required to sew the perfect pocketwelt.
Main features
Stationary tab knives combined with the AC servo motor controlled carriage movement ensures high quality corner cutting on all kinds of fabric. Please see optional mechanisms in the optional accessories section.
Clamp feet position (lateral distance, in or out) and clamp feet pressure can be simply adjusted especially when sewing on difficult materials.
All pocketwelting machines are equipped with full-colour 5,7” graphic touch screen display that provides the operator with a user friendly working environment and with icons for every operation required to sew the perfect pocketwelt. It is possible to program 10 different pocket styles with individual sewing functions and parameters assigned.
Cycle Sewing allows the sewing of different types of pocketwelte in alternating combinations. Up to 5 pocket styles can be selected from the control panel for cycle sewing.
Quick Change Kit as a standard accessory allows the operator to sew either single or double welts by a simple change of the patch guide.
Single and double welt folders are supplied as standard with the machine.
Top thread monitor is fitted as standard and stops the machine when a thread break occurs.
Bobbin winder is located on the sewing head minimizing down time when changing bobbins.
Laser lights are supplied as standard (4 pcs) for easy placement of the fabric panel. These eliminate the need for manual marking on both trouser and jacket welting operations.
Pocket bag clamp is used for securing the pocket bag material while the operator loads the panel.
Bite sizes are available as options from 6,35-28 mm in 2 mm increments (the bite size must be specified at time of order).
Swing out folding station can be opened for easy access in case of re-threading and bobbin changes.
Tilt Back Sewing Head allows easy maintenance.
Optional Accessories
Auto tape feeder is available for automatic loading and cutting of interfacing.
A vacuum system is recommended to be used for sewing welts into the back panels of trousers which have a dart seam. The system can be used with its own independent vacuum motor or hooked up to the existing plant vacuum system.
Dart stretcher is used for eliminating fabric fullness before clamping and sewing.
Stackers are used for the removal of larger panels from the machine at the completion of the cycle sewing. The use of a stacker will increase productivity by decreasing the operator’s handling time.
Trouser Stacker is used for trouser production only.
Universal Stacker is used for jackets, trousers and other long panels
This optional accessory should be ordered for use on machine for the following reasons:
- the panels are short and do not lie over the side of the table
- stacker area or the work comes to the operator as single pieces on a hanging rail system.
The remover is lowered at the end of the cycle and the panel is rolled off the work area. The work remover and stacker can be used together.
Sandwich clamp kit is recommended for lightweight fabrics not to slip during sewing cycle. This device uses clamp arms lower support plate that is attached to the carriage. The support plate travels back and forth with the carriage, aiding in the transport of material and preventing puckering during the sew cycle.
Zipper attachment allows two sides of the endless plastic zipper to be inserted automatically from a roll above the machine into the welt during the sewing cycle. At the end of the sewing cycle, the zipper is cut to the exact length. Only plastic zippers can be used.
The LW 7001 machine can be equipped with step motor controlled tab knife system in combination with a step motor fabric feed as opposed to stationary tab knives and servo motor feed which is the standard version. The step motor control system is optional and needs to be specified when ordering the machine.
Available Models
The AP version include all of the features of the standard machine plus the added capability of making true slanted welts. The two independently driven needle bars can start and finish sewing offset by up to 5 mm (see below the diagram) thanks to use of a split needle sewing head. This allows the machine to sew either straight or angle welts with and without pocket flap insertion.
The AP model uses 3 sets of tab knives providing accurate corner cutting in all applications. The machine can automatically alternate between left and right side pockets or sew all the welts both inside and outside of a garment in sequence.
