How to choose woodworking band saw machine? what should I be aware of? (1)

Update:28-02-2020
Summary:

Woodworking band saw machine, which uses a circular end […]

Woodworking band saw machine, which uses a circular endless band saw blade as a saw tool, and performs a one-way continuous linear motion on two saw wheels to cut wood. It is mainly composed of bed, saw wheel, lifting and tilting device of upper saw wheel, belt tensioner, saw guide, work table, guide plate and so on. The bed is welded from cast iron or steel.
The saw wheel is divided into a web-type saw wheel and a web-type saw wheel; a vertical saw generally has a lower saw wheel as a driving wheel and an upper saw wheel as a driven wheel. The weight of the upper saw wheel should be 2.5 to 5 times lighter than that of the lower saw. The cutting speed of the band saw blade is usually 30 ~ 60m / s. The lifting device of the upper saw wheel of the woodworking band saw machine is used for loading and unloading and adjusting the tightness of the band saw blade; the upper tilting device of the upper saw wheel is used to prevent the band saw blade from falling off the saw wheel during sawing. The band saw blade tensioning device can give the upper saw wheel elasticity to ensure the stability of the tension of the band saw blade in operation; the old type uses a spring or lever weight mechanism, and the new type uses a pneumatic and hydraulic tensioning device. The guide device is commonly called a saw card to prevent the saw blade from twisting or swinging when sawing; the lower saw card is fixed at the lower end of the bed, and the upper saw card can be adjusted up and down along the vertical slide rail; the saw card structure has roller and slider The slider type is made of hardwood or wear-resistant plastic. Band saws are widely used in the wood industry. There are many models. According to the process, they can be divided into: large band saws, resection band saws and joinery band saws. According to the positioning of the saw wheel, they are divided into vertical and horizontal. Vertical and horizontal: right and left; according to the installation method of the band saw: fixed and mobile; according to the number of sets: ordinary band saw and multi-band saw Machine and so on.
General band saw:
(1) Before operation, the saw blade should be adjusted to have a proper tightness, and the tooth top is higher than the marginal end face of the flywheel.
(2) When adjusting the slope of the workbench according to the needs, pay attention not to touch the saw blade and the clamp, and level the workbench in time after the operation is completed.
(3) The feed feed must not be too large when sawing. If the saw blade speed is slowed down due to the feeding, the wood should be retracted slightly immediately, and the material will be fed after the number of revolutions has recovered.
(4) Lower the upper flywheel after work to relax the saw blade.