Selecting the Right Strapping Machine for Your Application

The selection of the proper strapping machine for your packaging application is a critical decision. Ultimately, no matter how effective your quality control is, and how timely your delivery is, if the finished product doesn't get packaged properly and on time, it won't satisfy your customer's need.

Here are some of the critical decision points to consider.

How automated do you want to be?

There is a tremendous amount of confusion between what constitutes a semi automatic versus an automatic strapping machine. Let's set the record straight. There are 3 basic types of strapping machines, and they are:

Semi - Automatic Machines

Also known as "table top" machines, semi automatic strappers are the entry level strapping machines for low volume operations. They are usually about the size of a small desk (36" long x 24" wide x 30" high). With a semi automatic machine, the operator takes a loose end of strap that has been fed from the machine, loops it around the package, and hand feeds it into the strapping and sealing area.

The machine automatically tensions the strap according to a per-set tension; heat seals the ends together, and feeds out a pre set length of strap for the next cycle. Semi automatic machines are relatively inexpensive (expect to pay $1000 to $2000, depending on brand and features), and can be very versatile. They can be used as both the primary strapper in low volume operations, and for back up, or off line strapping.

Arch Machines

Arch machines are more automated than semi automatic machines, but still require an operator to position the package, and press an activation button (or foot switch) to start the strapping operation. With an arch machine, the strap travels around an "arch" creating a loop before activation. When the operator activates the strapping sequence, the strap tensions, heat seals, and pre-feeds the strap for the next cycle.

Many Arch machines can also be activated by a photocell or limit switch built into the top.

While these devices will automatically activate the cycle, the operator will still position the package for strapping and remove it when the cycle is completed. Arch size is critical with an arch machine, since package size is limited to what will fit under the arch. Arch machines are much faster than semi automatic machines, less operator dependant, and, of course, more expensive. The cost of a new arch machine will probably be in the range of $5000 to $10,000, once again depending on brand and features.