how to change a circular saw blade youtube Related Question:
Where is the arbor lock on a circular saw?
Place the saw on a wooden surface and pull back the blade guard. If the saw has an arbor lock button on the top of the housing, press it in. The arbor is the shaft the blade installs on. If there’s no lock button, press the blade into the wooden surface.
Which way do the teeth face on a circular saw?
The teeth should be cutting UPWARDS, in a clock-wise direction. You’ll also notice that when your blade is installed correctly, the teeth will be pointing upward. Remember: circular saws (as most saws) cut on the upward stroke.
How do you hammer a circular saw blade?
Place the blade on the anvil. Hammer down all ridges or lumps while using as few blows as possible to avoid expanding the metal too severely. If there’s a loose area, mark it and hammer between the mark and the blade’s rim to stretch out unnecessary tension.
Why is my circular saw blade loose?
Bearings and washers are mainly responsible for holding a saw’s shaft in place. However, wobbles and misalignments may loosen the blade. This can cause problems while cutting. Moreover, the bolt of the circular saw may wear out after regular use.
What is spindle lock?
Most cordless impact drivers have a feature called spindle lock that, when selected, locks the motor’s spindle so the chuck cannot turn. Most models of impact driver will have ‘automatic spindle lock’, which means that the chuck and metal bit are automatically locked when the speed control trigger is released.
How do I know when to change my circular saw blade?
Look for worn-down, chipped, broken and missing teeth or chipped carbide tips that indicate it’s time to replace a circular saw blade. Check the wear line of carbide edges using a bright light and magnifying glass to determine if it’s beginning to dull.
How often should I replace my circular saw blade?
They can last between 12 and 120 hours of continuous use, depending on the quality of the blade and material they’re used to cut.
Can you put a circular saw blade on backwards?
When cutting vinyl siding with a circular saw, install a fine-toothed blade backwards on the saw for a smoother, cleaner cut, especially in cold weather (when the material is brittle).
Can I put a metal cutting blade on my circular saw?
Only blades and discs specified for cutting metal should be used. These professional circular saw blades are perfect for cutting through aluminium, copper, lead and other non-ferrous metals; while these diamond cutting discs will make light work of cutting through stainless steel.
Why is my circular saw burning the wood?
Pushing the stock through the saw too slowly is a common cause of saw blade burn. Sometimes a blade that feels dull might only be dirty. If wood pitch resins build up behind the teeth of the blade, the cutting speed will slow down, increasing the chances for burns. Commercial blade cleaners are sold for this purpose.
How do you change the blade on a Porter Cable 7 1 4 circular saw?
How Do You Change a Porter-Cable Circular Saw Blade? Push the spindle lock button, rotate the blade, and stop after it disengages. Use an anticlockwise motion to rotate the retaining screw with a wrench. Use the retracting lever to pull back the lower blade guard.
What does hammering the blade mean?
Hammering is a process of making sure the blade is true and flat. It is exactly how it sounds – the blade is put on a steel anvil and hammered with special hammers to accomplish this.
