What is Bag Sewing Machines
Sewing machine is a machine which is used to sew two or more pieces of fabrics together. A sewing machine sew not only fabrics but also other materials, such as bags, lather, tent and more. Sewing machine is also used to improve the fineness and appearance of fabrics. Different sewing machines follow their own duty to produce perfect products as we want, such as garments, mattress protectors, etc.
Advantages of Bag Sewing Machines
High efficiency: One of the greatest advantages is their high efficiency. These machines are capable of continuous, uninterrupted sewing operations, greatly improving production efficiency. Compared to traditional hand sewing or semi-automatic sewing machines, assembly line sewing machines can complete a larger workload in a shorter time period.
Consistency and quality: Jumbo bag sewing machines ensure product consistency and high quality throughout the production process. Due to the precise control of the machines, every bulk bag produced meets the same standards, reducing quality issues caused by human factors.
Labor cost savings: By utilizing sewing machines, enterprises can reduce their reliance on skilled workers, thereby saving on labor costs. These machines have a high degree of automation and are easy to operate, allowing even inexperienced workers to quickly become proficient.
Flexibility: The sewing machines are typically designed with excellent flexibility, capable of adjusting to different production requirements. Whether sewing bulk bags of varying sizes or switching sewing modes, the machines can adapt quickly to meet diverse production needs.
Durability and low maintenance costs: High-quality bulk bag sewing machines are usually highly durable, able to withstand prolonged continuous operation. At the same time, these machines are designed with ease of maintenance in mind, resulting in relatively low maintenance costs and enabling enterprises to use them stably over the long term.
DN-2WU Double Needle Bag Sewing Machine
DN-2W Double Needle High Speed Bag Sewing Machine
DN-2U High Speed Bag Making Machine
DN-2HS High Speed Bag Sewing Machine
DNE-2WUA Double Needle Bag Sewing Machine with Cutter
DNE-2WU Double Needle Bag Sewing Machine
DNE-2UA Single Needle Bag Sewing Machine with Cutter
DNE-2U Single Needle Bag Sewing Machine
GK20-8W Double Needle Bag Making Machine
GK20-8 Single Needle Bag Making Machine
GK8-24 Economical Double Needle Bag Making Machine
GK8-2 Economical Single Needle Heavy Duty Bag Sewing Machine
GK35-8 Two Needle Four Thread Bag Making Machine
Why Choose US
Our factory
Deko Corporation is located in the center of the free trade zone at the national level Hi-tech Zone, Xi'an, China. We mainly dedicate in developing, producing and marketing of PACKSTAR brand big bag, bag sewing & bag closing machines since 1990s, we are one of the world leading suppliers of bag closing and sewing machines in the global market.
Rich experience
For more than 30years, we continuously improve the quality from even one small screw to the whole machine lines and our service, in order to meet our valued customers demand both in domestic and overseas market, improve theirs work efficiency and create the value by joint-efforts.
Our product
Our current main PACKSTAR brand industrial bag sewing and closing machines are as below,
FIBC/jumbo/bulk/big bag making machines
Heat sealing machines(for kraft paper,PP/PE and heavy duty plastic bags)
Auto bag closing systems for filled bags
Bag closing machine heads
Portable bag closing machines
Bag infeed and folding machines
Small bag making machines
Carpet overedging machines
Filter bag sewing machines
Net-rope sewing machines (Fishing nets, sport nets,etc)
Geo-textile sewing machine
Artificial turf sewing machines
Ultrasonic non-woven bag making machines
Our service
Through stable quality and professional services, we have distributors and users in more than 30 countries at present. We always trust all business is based on the people, not only for our own company, but also for all partners. We consistently insist on the principles: "Quality, Service, Innovation and Excellence", which will make a prosperous future and all will grow better together!
The component introduction
The handwheel, located on the far right side of the sewing machine, is cylindrical.
The speed regulator enables the operator to adjust the machine's operating speed, while the actual sewing speed is regulated by the pressure applied to the foot pedal.
The stitch length dial enables the adjustment of the distance between the first and second needle penetrations.
Reverse stitch: Operates by pressing and holding the button while depressing the foot pedal, allowing the machine to sew in reverse, effectively locking the stitch.
The needle in the sewing area must be replaced based on the thickness and density of the fabric being sewn.
Sewing area - presser foot: Available in a variety of styles, each with distinct functionalities.
The sewing area - feed dogs: The serrated mechanism located beneath the presser foot facilitates fabric transport.
The sole mode of operation is to depress it, with the pressure applied to determine the sewing speed.
Threading the sewing machine.
To raise the take-up lever and needle, utilize the handwheel. Please lift the presser foot. Attach the spool of thread to the spool pin.
Please note that lifting the presser foot opens the tension discs, thereby facilitating the threading process.
Guide the thread through the initial guide at the top of the machine head.
Please bring the thread down and guide it along the right side of the tension discs.
To secure the thread, wrap it around the tension discs, ensuring that it is securely held between the two tension discs.
Please bring the thread up and around the thread take-up lever from right to left.
Guide the thread through the hole in the thread take-up lever.
Please bring the thread down through the thread guide.
Kindly pass the thread through the needle's eye, referring to the sewing machine threading instructions.
Bobbin installation
Insert the bobbin into the bobbin case, with the thread running counterclockwise. When viewed from the side of the bobbin, the thread should form a "9" shape.
Please thread the thread through the slot.
Pass the thread through the tension spring and into the notch at the end of the tension spring, leaving a length of 7-8 cm of thread outside the bobbin case.
How Does a Bag Sewing Machine Work
The working principle of bag sewing machine is too easy because you only have to observe the process of stitching and it will goes on constantly. The general operating process of this machine is explained as under:
In the very first step operator is required to set the parameters for sewing including stitching design, needle size and bobbin fixation etc. After completing the initial phase just start the machine and analyze how it is working.
After getting loaded bag the arms of machine grabs the bag and with the help of conveyor belt sacks are move towards sewing head. Taking thread from roller, the needle starts stitching by continuous up and down hitting into bag's opening.
The process goes on until stitching is formed completely. Finally when full sewing is realized the conveyor belt pushes it forward and next bag is getting ready for stitching.
Types of bags which can be sewed by this machine are divided into two categories.
On the basis of bag structure
Gusseted bags
In this type of bags material is added inside the bag with creased sides which enables it to expand in order to accommodate bulky products.
Gusseted flat bottom bags
This bag has flat bottom with side gusset which gives it strength for extra roomier. Such types of bags are beautifully sewed by a bag sewing machine.
Pillow type bags
As the name indicates this type of bag is of pillow shape with top and bottom openings which are accurately stitched by this machine.
On the basis of bag material
Plastic bags
Plastic bags which are created from polymers including polypropylene and polyethylene are perfectly stitched by this machine.
Cotton bags
A bag sewing machine is capable of sewing cotton sacks that are formed by inexpensive cotton for storing flour and animal feed.
Leather bags
For sewing the hard stuff of leather only bag sewing machine is ideally used.
Fabric bags
Reusable fabric bags are also known as tote bags which are made of sturdy cloth and are processed by bag sewing machine.
Burlap bags
Burlap or gunny sacks are made up of cheap fibres such as jute, hemp or other natural fibres. A single sack can hold the weight up to 50 kgs and is nicely sewed by a bag sewing machine.
What Type of Material Can Be Loaded in Bags Sewed by a Bag Sewing Machine
It is important to know the nature of products that can be loaded in bags. In this way, some of the prominent items that can be packed in bags sewed by a bag sewing machine are highlighted below
Powders
Different types of powders can be filled in bags because they do not likely to leak like liquid substances. Wheat flour, milk powder, coco powder, corn flour and various other similar substances can be put in these bags.
01
Grains
Cereals, beans, rice and wheat are always poured in bags that might be of plastic, fabric or burlap. The reason behind is to securely deliver these products to consumers without any type of deformation and leakage.
02
Pellets
Pellets are small round particles of usually wood, electronic or food items. They are to be transferred in bulk form, from one place to another. Thus, bags are used to take large amount of material which are sewed by a bag sewing machine.
03
Granules
Most suitable example of granules can be sugar, sand or plastic granules for dye. Like other products they too can be poured in bags which have to be sewed by this machine.
04
What Are the Industrial Applications of a Bag Sewing Machine
Popularity of innovative bag sewing machine in various firms cannot be denied. How this effective closing case is playing magnificent role in stabilizing the production of several industries is elaborated under
Flour mills
The flour we use in our daily life is often packed in sacks made up of cotton or burlap. They are perfectly sewed by a bag sewing machine with strong closing which not only prevent flour leakage but is also easy to open.
Sugar mills
The presence of a bag sewing machine can be traced in sugar mills, where granulated sugar is put in the bags sewed by this efficient closing equipment.
Chemical industry
The use of non-heated adhesive makes it more suitable for bags containing explosives, chemicals and similar substances.
Agricultural industry
Another industry which should never by neglected while discussing the applications of a bag sewing machine is no doubt agricultural industry. The bags of wheat, seeds, fertilizers and various other types of grains are mostly sewed by this machine.
Food industry
Food industries are taking the services of this machine on a large scale. Various cereals, rice and condiments are particularly pack in bags that are closed by a bag sewing machine.
Cement industry
Like other industries, cement industry has also higher demand for this outstanding equipment. To keep this milled mineral powder away from external moist, strong plastic sacks are used which are processed by this machine.
Leather industry
A bag sewing machine does not only sew large sacks and food containing bags but also capable of processing sturdy material like leather. Many large scale manufacturing firms that are associated with leather products are taking the services of this machine. For instance foot ware, hand bags, footballs, car seats are stitched by this machine.
Animal and pet feeding
Like humans animal too require proper feeding and their food is prepared in specific industries. To pack the animal or pet food these factories are utilizing bag sewing machine so as to better deliver it to buyers.
First of all, after debugging the machine, the assembly group will arrange a self-inspection for some faults, which is also an assessment of employees. If problems are found, they are digested in the group in a timely manner.
Secondly, after the machine is submitted, the department of quality assurance will arrange for a special person to carry out product inspection, from the appearance of the machine, assembly accuracy, torque, to the sound of the machine operation, vibration, performance, lubrication.
Third, it is an important test process, the ministry of quality inspection personnel in addition to the day's production of machine extraction 8 hours of running run-in, but also regularly extract the machine for durability running test.
Fourth, when all the inspection passed, the inspector seal signed through.
Fifth, these tested and qualified products are re-inspected after packaging. Mainly in accordance with the requirements of the production order spot checks (can be comparable with commodity inspection), in addition to check random accessories.Only machines that are last reviewed can enter this link. This round is mainly used daily standard sewing machine, to ensure that the machine runs all stable. The worker checks for a recheck label and cannot box if not.
Enhanced durability
Due to their distinct application areas, the edge locking achieved by specialized overlock machines is notably more durable than that produced by conventional sewing machines.
Three-thread, four-thread overlock, and rolled hem
Moreover, overlock machines provide a wider range of edge-locking effects compared to conventional sewing machines. In addition to the standard three-thread and four-thread overlock stitches, they also offer a rolled hem function, catering to diverse everyday requirements.
Differential feed mechanism
Creating garments from delicate materials like chiffon and silk can be quite satisfying. Our specialized model, features a differential feed mechanism that allows for precise adjustments based on the fabric type. This capability ensures the creation of impeccably finished edges, a level of precision unattainable by regular sewing machines.
Precautions for Safe Use of Sewing Machines
1. Basic measures must be observed
2. Must be professionally trained in the performance of sewing machine equipment.
3. All safety devices should be checked before use.
4. When installing the needle, replacing the needle, presser foot, needle plate, feeding teeth, bending the needle, rotating the bobbin or repairing, the power should be turned off immediately.
5. Turn off the power when leaving the sewing machine or workplace.
6. When using the clutch motor, wait until the motor has come to a complete stop.
7. Wash the sewing machine and attachments immediately when oil, lubricant or other liquids are in the eyes or on the skin.
8. It is prohibited to touch the parts or devices of the sewing machine when it is energized.
9. Repairs, modifications, and adjustments to the main mechanisms of industrial lockstitch and overlock sewing machines should be carried out by specialized technicians.
10. General maintenance is carried out by specialized personnel.
11. Electrical repairs should be carried out under the supervision and guidance of an electrical technician.
12. Sewing machines should be cleaned regularly during use.
13. For normal and safe operation, ground wire should be installed, and should be used in an environment that is not affected by strong noise sources such as high-frequency welding machines.
14. Power plugs should be installed by specialized personnel.
15. Industrial lockstitch machines and overlock machines should not be used for purposes other than those specified.