回报锯革命:为什么这个多功能的电源工具在您的世界中值得一个重要的地方

往复锯(通常称为“食谱”锯简短)可能是世界上最不受欢迎的主流电动工具。密尔沃基工具公司于1951年发明,并被称为Sawzall,刀片技术和电池的进步正在帮助食谱锯比以往任何时候都更好。无论您是否有一个旧房子要翻新,要完成的金属工程项目,一辆旧的车辆可以工作,甚至是一些树木的肢体,食谱锯都可以帮助您以无法匹配其他电动工具的方式。它们主要是作为用于装修旧空间的工具,但是我从我的工作测试工具中知道,在现场使用它们,目前,食谱锯不仅仅是翻新工具的工具。

A reciprocating saw is a precision demolition tool that often is the first thing used in renovations. Here I am using a corded recip saw to cut through a roof for skylight installation.

大多数食谱锯的形状较长且狭窄,刀片在一端向后移动。There’s a D-shaped handle at the other end of the tool and a trigger switch within that handle. Recip saws are useful because they combine power, maneuverability and the ability to cut through a variety of materials such as pipes, nails, wood, drywall and old flooring. Until recently blade quality was a limiting factor in recip saw performance, but that has changed entirely.

更好的回报锯刀片

莱诺克斯(Lenox)的这款高端刀片在12英寸的尖峰上进行了数十次切割。使用相对较慢的刀片速度,以防止在刀片牙齿上产生破坏的热量。

Without exception in my experience, old school recip saw blades have always been surprisingly short-lived.与其他电动工具的叶片质量不断提高相比,食谱锯叶片已经落后,但不再落后。在切割钢上,您最清楚地看到了这一点。

标准的配方锯刀片的拆除刀片被评估为切成指甲的木材,但击打指甲仍然会缩短其寿命。Something called carbide tooth recip saw blades changed everything. Like their circular saw counterparts, carbide tooth recip saw blades have small teeth joined to the saw blade body. These teeth are exceptionally hard and long lasting because they’re made of a special metal called carbide. In tests I’ve run, the best carbide blades made dozens of cuts through 12” spikes. In fact, the teeth held up so well in these tests that I’m still using the very same blade for my work today, years later.

So when does the ability to cut metal pay off? Salvaging used lumber from existing projects is one place.If you’ve got a deck, dock, gazebo, interior partition walls or any other wooden structure that you want to take down, simply slip between adjoining pieces of wood with your metal cutting recip saw blade, slice the nails or screws, then salvage the wood without bashing, smashing, prying or destroying anything.

计划了一个金属加工项目?我发现装有碳化物刀片的食谱是最快的各种粗糙钢的方法,包括1/4英寸厚的板钢。只需在锯子上使用慢速速度,并使切割线充满切割油。保持叶片凉爽和润滑确实可以转化为较长的刀片寿命。

您在这里看到的紧凑型12伏配方锯非常适合在进行自动维修时进入紧密空间。在这里,您可以看到一个排气管法兰,我在添加新管道以完成维修之前从原本声音的排气系统中切出。

您是否正在进行自己的自动修理?A recip saw is absolute magic for cutting out rusted chunks of exhaust pipe for replacement. Even many professional mechanics use recip saws for this job now, foregoing the oxy-acetylene torch that used to be used exclusively for cutting away bad auto parts.

Better Reciprocating Saw Batteries

If your opinion of cordless power tools was formed 10 years ago or more, you’re in for a pleasant surprise.Thanks to advances in lithium-ion batteries, cordless tools today have a much longer run time, more power and longer battery working life than any tools from back in the days of nickel cadmium batteries. Lithium-ion batteries retain their charge on the shelf for many months without self discharging, and most come with a multi-year warranty.

In most cases when people ask me for tool buying recommendations on a budget, I point them towards corded models unless they really need freedom from cords.钻头和食谱锯是例外。在这两种情况下,无论您的工具预算多么适度,无线都可以使用这些工具。价值仅仅是好的,尤其是当锂离子电池与称为无刷电动机设计的东西结合使用时。

有时候,您需要的是紧凑的食谱锯。在这里,我正在从事一项特定的工作,而其他任何类型的电动工具都无法完成。

Better Reciprocating Saw Motors

无毛电动机在所有无绳电动工具上都不是通用的,但是它们会是通用的。Brushless is a mechanically simpler version of the traditional brush-style electric motors used in cordless tools for years and it is a genuine advance. Instead of internal springs, brushes and wires delivering electricity to the rotating part of a tool motor, brushless motors use simple circuitry to accomplish the same thing with no moving parts. The bottom line is a longer working life and more power extracted from a given battery pack. If you have a choice between buying a brushless or brush-style recip saw, brushless is worth it, even if you have to pay a bit more.

这是另一种紧凑型食谱锯。像这样的较小型号可以接受与全尺寸型号相同的刀片,但重量更容易机动和更轻。

Another advance in recip saw design has to do with tool shape.多年来,食谱锯是相当大的工具,可以与两只手一起使用。像这样的设计仍然存在,非常适合一般使用,其中存在很多房间可以工作。但是,对于全尺寸的食谱锯无法进入狭窄的情况,工具公司已经发明了半尺寸甚至微型食谱锯。我发现这些较小的型号仍然充满了大量的动力,对于汽车工作或在近距离切割管道和框架成员时最有用。

拥有和使用往复锯是开发技能的一小部分,以帮助自己独立取得成功,该工具值得早日查看。I use a recip saw almost each week and I often think how much more difficult a particular job would be without one.

回报锯与生命的下颚

我居住的当地消防部门将一些往复式锯和金属切割刀片供电,以便在事故现场打开车辆。这些锯至少与传统上用来从自动残骸中提取人员的生命的液压下颚一样快。

The versatility of recip saws comes down to blade design, so the greater variety of blades you have on hand the more valuable and versatile your recip saw prove to be.我什至知道一个消防部门,它使用往复式锯切的金属切割刀片在事故现场切入破坏的汽车。我最喜欢的一些刀片包括:

修剪刀片:这款长而坚固的刀片尤其是用于修剪树木和灌木丛的树枝。比电锯和更安全的电锯安静。

Hacksaw blade:这个细齿刀片没有碳化物牙齿,但是用于切金属的。为什么是插入式刀片而不是碳化物?刀片厚度。碳化物食谱看到的刀片的一个弱点是,它们总是比普通的金属材料厚,但薄度很重要。将指甲锯切出来挽救木材是一种应用,在该应用程序中,较薄的刀片使偷偷摸摸地偷偷摸摸并完成工作。

管道刀片:如果您必须切入钣金加热或通风管,则有一个食谱锯片。它很小,短并且牙齿非常细。末端的尖尖使您可以通过钣金打孔以开始切割。

Click below to watch a quick tour of a compact recip saw I made a few years ago.

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