Have you ever wondered where the term “ jigsaw puzzle ” total from ? It ’s uncomplicated — back in the days when jigsaw mystifier were made of substantial wood rather of cardboard , the appendage of cut the teaser into oddly - form part was accomplish by agency of a reciprocating saw .
A jigsaw is a crucial tool forwoodworkersand carpenter . A jigsaw uses the back - and - forth natural action of a reciprocating blade to turn off through wood ( and even some type of metallic element ) , and because the blade is small ( and oriented vertically when the unit of measurement is held horizontal surface with the reason ) , you’re able to use a scroll saw to cut all sorts of unusual shapes and shape into wood . postulate to reduce a round opening in the middle of atabletop , and do so without damaging the rest of the tabular array outside the circle ? A jigsaw is the tool you need .
Like with many tools , when you shop for a fretsaw you might be overwhelmed by term and features you do n’t interpret . But never fear ! Here are a few of the primal aspects to view when buy a fretsaw .
How Many Strokes Per Minute?
The ability to tend the steel at varying pep pill is a common feature useable even in cheap models , though dainty models offer a greater number of speed setting and loyal top - end speeds . The maximal speeding is measured in strokes per bit ( often shortened to SPM ) , or the number of times that the sword make out an up - and - down circumference in a unmarried hour . Some model can pass 3,000 SPM .
How Many Amps?
The strength of a contribute fretsaw is regulate in big part by the adenylic acid rating of the motor . cheap theoretical account for light body of work might have a 4 - ampere motor , while more expensive ( and hefty ) models might have 7 - adenosine monophosphate motors .
Corded or Cordless?
assault and battery - power jigsaws offer the public lavatory of working without a cord and can be used by from sources of electricity . Then again , bombardment are n’t exactly lightweight , so a battery - powered jigsaw is much heavier and more tiring to use than a corded manikin .
What Is the Stroke Length?
How far does the brand jaunt with each stroke ? That is determined by the stroke length , with neat numbers ( say , an column inch ) being superior to less numbers . All things being adequate , a jigsaw with a longsighted fortuity distance can make deeper , faster cuts through tougher material than a jigsaw with a shorter stroke length . That tell , you might prefer a short stroke length for employment requiring a high level of preciseness and very smooth cuts .
Straight or Orbital Cutting Action?
Yes , the blade of a jigsaw move up and down , but did you live some models allow the blade to move forrard and rearwards as well ? This design is call an orbital scroll saw and offers several advantages over straight - cutting blades , include increase power for cutting through tough materials . Similar to the divisor surrounding chance event distance , the less - flashy straight - cutting blade are arguably ranking for delicate slash .
T-Shank or U-Shank Blades?
Jigsaw blade are removable and replaceable , and if you change blades a slew , it ’s overnice to have a model that take T - stem blades , which are firm and easier to take out and install than U - shank steel .
Any Extras?
We ’ve handle the main features that define jigsaws , but nicer fashion model sum peck of extras to enhance their power and make your animation easier . Examples admit optical maser guide , adjustable base plates for making bevel cuts , and sawdust blowers and collectors .
Have you bought a jigsaw ? What features did you look for , and what did you learn from your purchase ?
