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Pulley Versus Sheave

Posted by on 3/15/2019 to Guides
Pulley Versus Sheave
Things just don't seem right with your beloved lawnmower: it's behaving a bit oddly and there's a strange sound emanating from the mower deck. You turn off the engine, and fall to your knees to investigate. After a few minutes of searching, you discover the source:

It's round, a v-belt runs through its grooved edges, and there's a hole in the center to attach it to the shaft of the motor... Your vast experience in this arena tells you it's a v-groove drive pulley. After removing the damaged product, you locate your lawnmower manual, and (with the use of a high-powered microscope) are able to decipher your Genuine OEM Part Number 
The description next to the part number says "Sheave, 7x3/4"

You see black around the edges of your eyesight... Now you have to question everything! Is the world truly spinning, or is it just you? How have you gone your whole life calling this a drive pulley, if it's really a sheave

Take a deep breath, you're not alone in this dilemma. This is, one could argue, the ULTIMATE QUESTION: 

What is the difference between a pulley and a sheave?

Snowblowers vs Snow throwers

Posted by on 2/4/2019 to Guides
Snowblowers vs Snow throwers
Up here in New England, we've had piles of snow on the ground since well before Thanksgiving. That means our trusty snowblowers have been working hard for months already, and odds are they'll be needing a nice tune-up pretty soon. Those of us who get a lot of snow know we've got to take care of or snow throwers, else we'll be up at the crack of dawn with nothing but a shovel and our own aching bodies to clear a driveway that seems to get longer the more we clear. 

First things first, you may have noticed that on this blog and throughout our site, we use the terms snowblower and snow thrower interchangeably. As it turns out, that may not be strictly accurate.

Idler Pulleys vs Drive Pulleys: What is the difference?

Posted by on 12/31/2018 to Guides

What is a Drive Pulley?

Posted by on 10/22/2018 to Guides
What is a Drive Pulley?
You know the thing you're holding is a v-groove drive pulley because that's what your owner manual says. But what is a drive pulley, anyway?

A drive pulley is a pulley that is attached to a power source, that when in use puts force on a belt (or cable or chain). The belt is connected to an output, which will then spin. This is called power transmission.

All by themselves, they won't give you the drive to wake up early and use your snowblower and clear the driveway, but used with other components, they'll sure make the job easier!

End-of-the-Season Mower Maintenance

Posted by on 10/16/2018 to Guides
End-of-the-Season Mower Maintenance

You care about your zero-turn mower’s wellbeing – it’s been providing a smooth cut of your grass all summer – making your lawn the envy of the neighborhood. So you know it deserves a good thorough cleaning before it beds down for winter.  Did you know that grass stops growing at around 50 degrees Fahrenheit? Up north in the beautiful White Mountains, New Hampshire has just had its very first frost of the season: No mow summer for us, that’s for sure.

For us, it’s time to turn in our pruning sheers and our beautifully manicured lawns and start prepping for the long winter ahead.  That includes some outdoor power equipment maintenance. Are you asking yourself, “What kind of maintenance does my lawnmower need before winter?”

We’re here to help.

Pulley Dimension Definitions

Posted by on 8/16/2018 to Guides
Pulley Dimension Definitions
What do all the terms for pulleys, bearings, and belts mean?  Throughbore, offset, flanges, diameters, shoulders... It can be tricky navigating all the technical jargon thrown around when trying to pick out your perfect replacement product. While we have a handy guide on how to measure your pulley, sometimes what is needed is a nice detailed description.

In Engineers We Trust

Posted by on 7/18/2018 to News

Here at Phoenix, we get a lot of calls to 1-800-776-9315. People wanting to make sure they have found the right Genuine OEM Replacement Pulley for their Scag mower, needing help measuring their pulley, or wanting to verify stock on our timing pulleys. We love these calls. We are happy to help with these kinds of questions at any hour of the day.

We also get the occasional email or phone call requesting advise on which size pulley to use when starting a new project. A recent caller with just such a question turned out to be designing an industrial automatic coffee grinder. Our intrepid innovators usually begin with, “I’ve got a 5 horsepower motor with a ¾” shaft, and I want to know what size pulleys to buy to get 300 RPM.”

Pulleys in Power Transmission

Posted by on 7/3/2018 to News
As discussed in the previous riveting[1] article, there are really two main pulley “types”. See "What is a pulley?" for more info.

The most commonly seen in your day-to-day is the pulley used to move objects from one place to another, typically in block-and-tackle format and using a rope or wire that is pulled. For example, if you've ever gone zip lining, you might have been using a system sort of like that.

plastic wire pulley designed for ziplining or exercise equipment

What is a pulley?

Posted by on 6/26/2018 to News

Have you ever heard of a simple machine? It’s something you might have been quizzed on in middle school, but don’t worry, just by reading this blog, you’ll get a gold star for the day! Every day, you interact with simple machines, from opening your bedroom door (wheel-and-axle doorknob) to using a knife to slice your bagel (wedge).

They're in your car, your home, and even your own body. Here, for instance, is a lever:

 

Selecting a Pulley for your V-Belt

Posted by on 6/12/2018 to Guides
Selecting a Pulley for your V-Belt
When you’re searching for a general purpose drive or idler, the most difficult and confusing part can be determining how a specific pulley will work with your belt.

Most of us are not designing machinery to precisely traverse interdimensional portals into alternate realities. Probably. So an engineering degree is not necessary to pick out most replacement pulleys.

Customize Your Pulley: How to use Multiple Bore Options

Posted by on 4/26/2018 to News
Customize Your Pulley: How to use Multiple Bore Options

Many of our customers are building custom jobs in their workshop or fixing their busted equipment. Electric motors, fan systems, compressors, old lawnmowers, or innovations in perpetual motion?  Sometimes a standard pulley is just not going to work. Phoenix is your one-stop for idlers and drives, sure, but we also don’t want inventory rows that go on and on forever.

This brings us to the happy solution: Multiple Bore Options.

What does it mean for you? How does it work? Why do we have so many options? Let’s bore deep into this topic!


How to Find the Right Replacement Pulley: Trim Down Your Search Results

Posted by on 4/10/2018 to News

So, you’re looking for a pulley, and finally, you’ve come to the right place – Phoenix: Pulleys Bearings & Belts are the experts you’ve been dreaming of for years, we’ve got more pulleys for sale than you can throw a belt at!

You may have been searching for hours by this point, and are plain fed up with the internet in general -  so we’ve compiled here a few tips for navigating our site to take away some of the tension you’re feeling.

The good news? You’ve already completed Step 1 by coming to the best place online for replacement pulleys in lawn mowers, snow blowers, and small engines.