Torque Screwdriver

[Nuvo]

Hi all my assesment for nic eic a friend has told me i need a torque screwdriver and the board terminals must be tourqed is this true?

 

[Simlec]

Simple answer is yes. Manufactures of the consumer units/switch gear require the terminals to be torqued.

 

[Sparkie30]

Never been asked for 1. Maybe depends on the assessor.

 

[GMES]

I always talk to the cables as I'm tightening them up :32:

 

[newtothis]

I've seen some not too scary prices on these.
Draper expert ergo Plus Torque Screwdriver Set - 9 Piece

Added:
Around or below 70sovs

 

[sparkstu]

Just say it's been sent of for calibration and your not yet got it back. But I was never asked about it when I was with napit

 

[UNG]

Just say it's been sent of for calibration and your not yet got it back. But I was never asked about it when I was with napit

Probably cheaper to buy a new one than pay the calibration cost


The big problem I see with these torque drivers is the reliability and consistency drop it, knock it of the the ladder, bounce it around in a toolbox and the calibration is up the spout for these thing to be useful you would need a cost effective checkbox so the torque setting can be checked frequently as it is not viable to have them sent away for calibration every few weeks which IMO is what would be needed to maintain a consistent standard

 

[sparkstu]

I did have a idea of installing some 2" screws in some hard wood at different torques all labelled up then this could be used to prove the settings on it say every month or so

 

[davesparks]

I did have a idea of installing some 2" screws in some hard wood at different torques all labelled up then this could be used to prove the settings on it say every month or so

This is a joke yeah?

How on earth would you prove anything about a precision instrument with a bunch of screws in a block of wood?

 

[Geordie Spark]

This is a joke yeah?

How on earth would you prove anything about a precision instrument with a bunch of screws in a block of wood?

To me, the whole idea of using a precision instrument like a torque screwdriver on the poorly made screws & busbars that are the norm nowadays is one of the biggest jokes ever!!!

 

[davesparks]

To me, the whole idea of using a precision instrument like a torque screwdriver on the poorly made screws & busbars that are the norm nowadays is one of the biggest jokes ever!!!

I just don't bother!

I own torque wrenches, but I have only used them for various jobs on the landrover like working on the brakes and rebuilding the top end of the engine.

 

[Geordie Spark]

I just don't bother!

I own torque wrenches, but I have only used them for various jobs on the landrover like working on the brakes and rebuilding the top end of the engine.

Exactly what they're intended for.

Any skilled person who needs a torque screwdriver to tell him when a screw is tightened properly is in the wrong job!!!

 

[davesparks]

Exactly what they're intended for.

Any skilled person who needs a torque screwdriver to tell him when a screw is tightened properly is in the wrong job!!!

It's not just that, it's the variation in torque required depending on the type of conductor you put under the screw. The torque you use on a 16mm coarse stranded conductor would cut right through a 1mm solid conductor yet we're all supposed to tighten every terminal to the same torque???

 

[Geordie Spark]

It's not just that, it's the variation in torque required depending on the type of conductor you put under the screw. The torque you use on a 16mm coarse stranded conductor would cut right through a 1mm solid conductor yet we're all supposed to tighten every terminal to the same torque???

You've got it!! :yes:

 

[UNG]

I did have a idea of installing some 2" screws in some hard wood at different torques all labelled up then this could be used to prove the settings on it say every month or so

Would you be using a calibrated piece of wood to build this torque checking device?

 

[hightower]

It's not just that, it's the variation in torque required depending on the type of conductor you put under the screw. The torque you use on a 16mm coarse stranded conductor would cut right through a 1mm solid conductor yet we're all supposed to tighten every terminal to the same torque???

I was having a look at hager's and they specify torques for different cables

 

[sparkstu]

Would you be using a calibrated piece of wood to build this torque checking device?

Hell yeah course I would,wouldn't dream of not using one

 

[sparkstu]

As I said it was a idea didn't say I went through with it!

 

[davesparks]

I was having a look at hager's and they specify torques for different cables

Interesting, I wonder if they've improved the terminals and screws with proper threads so that the torques can actually be applied properly? Maybe they'll even do away with the crappy cage clamp terminals!

 

[Geordie Spark]

Interesting, I wonder if they've improved the terminals and screws with proper threads so that the torques can actually be applied properly? Maybe they'll even do away with the crappy cage clamp terminals!

That's the nail hit on the head right there!

I'm bailing out of here now before a Mod wakes up & bolocks me for taking the thread off topic or summat. :laugh: