Is My New Hammer Drill Broken? - Tools - DIY Chatroom Home Improvement Forum


Go Back   DIY Chatroom Home Improvement Forum > Equipment & Safety > Tools

CLICK HERE AND JOIN OUR COMMUNITY TODAY...IT'S FREE!

Reply
 
Thread Tools Display Modes
Old 09-08-2009, 08:18 PM   #1
Member
 
Join Date: Dec 2006
Location: Fountain Valley, CA 92708 (orange county)
Posts: 660
Rewards Points: 504
Default

Is my new hammer drill broken?


I recently bought a rigid vsr hammer drill. When I run it on hammer setting, I can feel no discernible difference from when it is on drill setting. No sense of any hammering motion at all.

Should this tool be like that? Is the hammering motion to small for me to detect, or should it be obvious? I'm wondering if I should return and exchange this tool as broken.

Advertisement

darsunt is offline   Reply With Quote
Old 09-08-2009, 08:34 PM   #2
Tool Geek
 
PaliBob's Avatar
 
Join Date: Jun 2008
Location: Pacific Palisades CA
Posts: 2,546
Rewards Points: 2,072
Default

Is my new hammer drill broken?


We use the term "Hammer Drill" mostly to describe the lighter duty tools as opposed to the heavier duty "Rotary Hammers" which describes the way they operate.

Hammer drills have an eccentric plate, kind of like a wobble plate behind the armature so that the harder you push on the drill the more hammering action you get.

With No Push then No Hammering

On Rotary Hammers on the other hand more 'Push' does NOT relate to faster drilling.

Note:more info with a better explanation than my "Off the Top" explanation:
http://en.wikipedia.org/wiki/Hammer_drill
.

Advertisement

__________________
Disclaimer
& Stay Safe
.....Bob Lavery

Last edited by PaliBob; 09-08-2009 at 08:57 PM. Reason: added note
PaliBob is offline   Reply With Quote
Old 09-08-2009, 09:43 PM   #3
DIY Hack
 
Mr Chips's Avatar
 
Join Date: Mar 2008
Location: Location, Location
Posts: 1,302
Rewards Points: 500
Default

Is my new hammer drill broken?


the "Rule of Thumb" is:

if it takes a straight shank bit, you need to push
if it takes a special shank, no need to push
Mr Chips is offline   Reply With Quote
Old 09-08-2009, 10:09 PM   #4
Member
 
Join Date: May 2009
Location: Brooklyn, New York (NYC)
Posts: 1,124
Rewards Points: 500
Default

Is my new hammer drill broken?


Quote:
Originally Posted by PaliBob View Post
We use the term "Hammer Drill" mostly to describe the lighter duty tools as opposed to the heavier duty "Rotary Hammers" which describes the way they operate.

Hammer drills have an eccentric plate, kind of like a wobble plate behind the armature so that the harder you push on the drill the more hammering action you get.

With No Push then No Hammering

On Rotary Hammers on the other hand more 'Push' does NOT relate to faster drilling.

Note:more info with a better explanation than my "Off the Top" explanation:
http://en.wikipedia.org/wiki/Hammer_drill
.
Thanks, Pali Bob for explaining the way a Hammer/Drill works. I, too own a Ridgid Hammerdrill. I make very good use of it. Never Thought of the process of operation. The WHY part. It's funny. something you use on a daily basis and never think of the way it works...!!! (No matter what) Don't Drink and Drive, Ever!!! (Let's give the Smilies a rest)
spark plug is offline   Reply With Quote
Old 09-09-2009, 12:02 AM   #5
Member
 
Join Date: Dec 2006
Location: Fountain Valley, CA 92708 (orange county)
Posts: 660
Rewards Points: 504
Default

Is my new hammer drill broken?


Thanks for the info. I guess the drill is okay.
darsunt is offline   Reply With Quote
Old 09-09-2009, 07:56 AM   #6
Tool Geek
 
PaliBob's Avatar
 
Join Date: Jun 2008
Location: Pacific Palisades CA
Posts: 2,546
Rewards Points: 2,072
Default

Is my new hammer drill broken?


Quote:
Originally Posted by Mr Chips View Post
the "Rule of Thumb" is:

if it takes a straight shank bit, you need to push
if it takes a special shank, no need to push
Generally true except at least one hammer drill comes with with two chucks.

One of my hammer drills is a Metabo P'7911
It comes with two chucks
One for straight shank bits
One for SDS bits

For Straight shank masonry bits or for SDS bits I need to 'Push'
http://www.acetoolonline.com/Metabo-.../met-p7911.htm
.
__________________
Disclaimer
& Stay Safe
.....Bob Lavery
PaliBob is offline   Reply With Quote
Old 09-09-2009, 09:18 AM   #7
DIY Hack
 
Mr Chips's Avatar
 
Join Date: Mar 2008
Location: Location, Location
Posts: 1,302
Rewards Points: 500
Default

Is my new hammer drill broken?


Quote:
Originally Posted by PaliBob View Post
Generally true except ....
that's why it's a "Rule of Thumb" aka: a general guide line

there are always exceptions, but it's generally right more than it's wrong. Kinda like "Rightey tightey, leftie loosey". We both know this does us no good when dealing with old propane regulators, some lawn mower blade retaining bolts, and other items that utilize left hand threads, but for the average homeowner it will rarely let them down
Mr Chips is offline   Reply With Quote
Old 09-09-2009, 12:23 PM   #8
Tool Geek
 
PaliBob's Avatar
 
Join Date: Jun 2008
Location: Pacific Palisades CA
Posts: 2,546
Rewards Points: 2,072
Default

Is my new hammer drill broken?


Quote:
Originally Posted by darsunt View Post
....... I guess the drill is okay.
You don't have to guess
  • Put in any bit backwards
  • Hold it against anything hard
  • Pull the trigger for a second
__________________
Disclaimer
& Stay Safe
.....Bob Lavery
PaliBob is offline   Reply With Quote
Old 09-09-2009, 05:11 PM   #9
DIY Hack
 
Mr Chips's Avatar
 
Join Date: Mar 2008
Location: Location, Location
Posts: 1,302
Rewards Points: 500
Default

Is my new hammer drill broken?


Quote:
Originally Posted by PaliBob View Post

  • Put in any bit backwards
  • Hold it against anything hard
  • Pull the trigger for a second

DON'T do this with a carbide tipped bit.

The carbide is wider than the shank of the bit and you can easily damage a perfectly good bit for no reason
Mr Chips is offline   Reply With Quote
Old 09-09-2009, 08:15 PM   #10
Member
 
Join Date: Oct 2007
Posts: 2,294
Rewards Points: 1,000
Default

Is my new hammer drill broken?


Quote:
When I run it on hammer setting, I can feel no discernible difference from when it is on drill setting
You won't feel it unless you are drilling. If you are drilling and can't feel it, somethings very wrong. A hammer drill is noisy as hell.

I am assuming hell is noisy BTW.
220/221 is offline   Reply With Quote
Old 09-09-2009, 10:37 PM   #11
Member
 
Join Date: May 2009
Location: Brooklyn, New York (NYC)
Posts: 1,124
Rewards Points: 500
Default

Is my new hammer drill broken?


Quote:
Originally Posted by 220/221 View Post
You won't feel it unless you are drilling. If you are drilling and can't feel it, somethings very wrong. A hammer drill is noisy as hell.

I am assuming hell is noisy BTW.
Sometimes it's QUIET as hell. The SILENCE is deafening, sometimes! I guess that's a topic for another forum.
spark plug is offline   Reply With Quote
Old 09-09-2009, 11:19 PM   #12
DIY Hack
 
Mr Chips's Avatar
 
Join Date: Mar 2008
Location: Location, Location
Posts: 1,302
Rewards Points: 500
Default

Is my new hammer drill broken?


But we all agree it's HOT

(except, of course, when it's cold as hell)
Mr Chips is offline   Reply With Quote
Old 09-16-2009, 09:47 PM   #13
Member
 
Join Date: Dec 2006
Location: Fountain Valley, CA 92708 (orange county)
Posts: 660
Rewards Points: 504
Default

Is my new hammer drill broken?


I've drilled some holes and fixed a post in place. The hammer drill does a great job. But I've noticed some problems.

1) My carbide tipped drills bend quickly (the tip wobbles when you look at it spinning) and become useless. Is this normal, or are the drills bad, or am I doing something wrong?

2) I'm using those blue concrete screws, and I keep snapping off the heads when I drive them in, even when I try to be careful. I tighten them down by hand now. Are those screws weak?
darsunt is offline   Reply With Quote
Old 09-16-2009, 10:53 PM   #14
DIY Hack
 
Mr Chips's Avatar
 
Join Date: Mar 2008
Location: Location, Location
Posts: 1,302
Rewards Points: 500
Default

Is my new hammer drill broken?


Quote:
Originally Posted by darsunt View Post
I've drilled some holes and fixed a post in place. The hammer drill does a great job. But I've noticed some problems.

1) My carbide tipped drills bend quickly (the tip wobbles when you look at it spinning) and become useless. Is this normal, or are the drills bad, or am I doing something wrong?

2) I'm using those blue concrete screws, and I keep snapping off the heads when I drive them in, even when I try to be careful. I tighten them down by hand now. Are those screws weak?
They are thin, cheap bits, and the hammering action will bend them easily. The SDS concrete screws are usually better, but that doesn't really help you. You probably noticed they are HOT after a couple holes, the heat makes them bend even faster

If your concrete is really hard and has lots of aggregate, you will wear out these cheap bits quickly, rusulting in tighter holes, making it harder to put these in, especially the cheap imports.

How deep are your screws going into the concrete? These blue screws have a max embedment of about 2". they simply don't have the dust removal capabilities to go any deeper. 1-3/4" embedment is ideal.

Remember, if you size your screws for 2" or less in concrete, you will drill your holes faster, wear out bits slower, snap fewer screws, and still get max holding power

Advertisement


Last edited by Mr Chips; 09-16-2009 at 10:59 PM.
Mr Chips is offline   Reply With Quote
Reply


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Rookie needs advice - How to remove old thinset from concrete floor? rookie floor layer Flooring 9 10-04-2009 01:01 PM
Help with broken drill serill Tools 2 09-08-2008 12:14 AM
hammer drill vs. drill/driver wombosi Tools 10 05-12-2008 10:40 AM
Best cordless hammer drill for occasional use jaym3 Tools 6 11-11-2007 08:26 PM
Broken Drill Bit Freelancer General DIY Discussions 15 03-29-2007 05:01 PM




Top of Page | View New Posts