Thứ Tư, 24 tháng 2, 2016

Band saw user guide



The band saw is a saw which rotates a steel strip which is closed on itself; it is used mainly in carpentry trimming plates and it also allows scribing through small width blades. This saw is driven by an electric motor that rotates the saw up to 1000 revolutions per minute. It is therefore obvious that the caution. The plateau of the saw is normally in an angle of 90 degrees with respect to the latter. However, it is possible in most models to rotate the tray so that it is reflected at an angle up to 75 degrees relative to the saw.
When installing the saw, be sure to pay attention to the size of it. The saw that is used in the mini sailboat project has a width of 3/8 inch. On the saw, there is a tensioner which adjusts the tension of the saw according to its width. Once the saw is in place and you have the proper voltage, placing the tray according to the desired cutting angle. Finally, before you start cutting, it is important to adjust the blade guide at the correct height, about 1/8 inch higher than the thickness of the work piece. When these steps are completed and the safety instructions are followed, we can start the saw and cut blithely in the work piece.

Safety instructions for using the band saw

The band saw is a power tool which rotates at high speed, so the security is required. The use of eye protection is mandatory. It is important to use a saw that cuts well. Avoid oversized clothes and long sleeves that could be driven by the saw and lead to significant injuries. The best protection remains the concentration when handling the wooden piece on the board and avoid holding your fingers too close to the saw. When a piece of wood comes off, turn off the saw and wait until it stops before you remove it from the shelf.

Guide to using sander Bench

The fixed sander is a power tool that spins very quickly, about 5000 rotations per minute. It is therefore evident that the fixed sand is very effective and works quickly, especially if sandpaper is used for coarse, grit 80, for example. This sander consists of an electric motor that drives a strip about 4 inches by 36 inches, for the most popular models. In addition, the electric motor also drives a disc about 8 inches. It is therefore possible with this tool to sand small parts on the adjustable tray that comes with the sanding disc. It is also possible for larger jobs, use broadband with its support. Using this tool is relatively simple as long as safety precautions are followed. Once the sandpaper belt and the drive are installed according to the manufacturer's instructions, the unit is ready for operation. For the use of the band on top of the sander, it is important to always firmly hold the work piece with both hands. In all cases where it is possible to make a more precise work, you must press the piece of wood on the support that is at the sanding belt. As for the side disc, always hold the work piece well supported on the shelf for a specific job.

Orbital Sander

Some schools are not equipped with bench grinders. The orbital sander is a very good alternative. Most orbital sanders use sandpaper disks that are Velcro. So just install the sandpaper disc and firmly hold the sander in one hand. When sanding, it is important to maintain a slight constant pressure on our part to be held stationary.

Safety instructions for sanders


Drills are tools that have a very high speed, so it is very important to follow these few safety precautions. First, when using sanders of all, it is important to avoid loose clothing and long sleeves. In fact, a piece of fabric is very quickly driven by the sander and can cause significant skin abrasions or burns. Additionally, wearing goggles is mandatory since small particles could be ejected from the sander and end up at high speed in the eye. Finally, these tools are very loud, wearing earplugs is strongly encouraged.

Chủ Nhật, 29 tháng 11, 2015

Band Saw Feed Rate and Feed System


Band saw Feed rate and Feed machine.
Feed price and Feed systems in band saw operation are essential slicing variables that effect manufacturing fee and system-ability.
So, what is Feed fee and the numerous forms of Feed systems that exist?
The Feed charge is described as the quantity of cloth (in square inches) that a band saw can reduce in line with minute. This range or amount is often known as S.I.P.M. (rectangular Inches in step with Minute).
Critical to the right operation of a band saw is the smooth stability of the head of the noticed because it drops onto the fabric being reduce. The feed have to always be smooth and steady, no longer erratic or uneven.
Hydraulic fluids are used in larger, greater commercial-sized band saws even as on smaller machines, springs may be extra usually used to modify the feed price.
For proper feed to arise on larger machines that use hydraulic fluids, it is vital that every one of the hydraulics tanks be full. Air in the hydraulics line can contaminate the fluid. also, if there's an insufficient quantity of fluid, that fluid can over-warmth and have an effect on feed consistency.
Large band saw machines can have both a gauge or digital study-out indicating the stress, and most machines’ Operator Manuals will offer facts at the proper stress settings to guarantee the right feed price.
Every other issue to be aware about with hydraulics is that the feed compensate valve linked to the workings of a saw has a top blade manual. This valve have to be operating nicely, and any chips not nicely cleared from the noticed blade gullets will purpose the valve to feature incorrectly.
Similarly, however certainly greater guide in nature, are the springs used on smaller machines that eventually weaken or stretch, permitting the noticed to over-feed. it's far crucial to check the feed pressure to assure the right fall of the pinnacle. This must be a part of the operator’s due diligence on every occasion a new task at the identical saw is undertaken.

The types of Feed gadget located on diverse band saws consist of:
  •          Gravity – the feed makes use of the burden of the saw’s head to lower itself onto the fabric being reduce.
  •          Gravity/Spring – equal as above, however springs are used to stability the top weight of the saw for adjusting the pressure.
  •          Cylinder Bleed Off — equal as a Gravity Feed but the downward movement is regulated through a valve that may be set to slowly bleed oil out of the cylinder, slowing the pinnacle fall.
  •          Air Over Hydraulic – the burden of the noticed’s head plus assistance from air stress pushing the head down onto the fabric. Down movement is regulated by using a valve that can be set, if you want to bleed oil out of the cylinder.
  •          Hydraulic Feed — equal as above, besides that oil pressure as opposed to air stress is used to bleed the valve.
  • steady Feed – on this gadget, the feed is plenty similar to a Hydraulic Feed, but the cutting rate is about and remains consistent regardless