Disc Grinders: Difference between revisions

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{{ToolInfoBox
{{MachineInfoBox
|tool name=Disc Grinder
|machine name=Disc Grinders
|image=disc grinder.JPG
|german=Winkelschleifer
|synonyms=angle grinder;<br>DE: "Flex", Winkelschleifer,<br>Trennschleifer
|image=disc grinder vs steel.JPG
|type=power tool
|synonyms=angle grinders, right-angle grinders;<br>DE: Winkelschleifer, "Flex",<br>Trennschleifer, "Trennjäger"
|access=upon introduction
|location=[[Location::Metal Workbench]]
|location=
|material=depending on [[Abrasive Discs|disc]]:<br>[[metal]] ''(aluminum requires special discs!!)'',<br>[[stone]]
|material=depending on disc:<br>[[metal]] ''(except aluminum)'', [[stone]]
|similar=[[Rotary Tool|rotary tool]]
|tutors={{£}}
|used with=[[Face Shield|face shield]], [[goggles]],<br>[[Ear Defenders|hearing protection]], [[gloves]],<br>[[Abrasive Discs|abrasive discs]]
|extrabox=yes
}}
}}
We have a lower class ("King Craft") disc grinder, but due to its inherent dangers it is only available after an introduction. For small-scale applications, try using a [[Rotary Tools|rotary tool]] before you whip out this beast.
We have a couple of disc grinders in the [[Metal Workshop|metal workshop]]. For small-scale applications, try using a [[Rotary Tool|rotary tool]] before you whip out this beast.


It can be used to cut or grind [[metal]] or [[stone]], depending on the disc used. [[Aluminum]] can reportedly clog and overheat the disc, can anyone confirm this? The tool works with '''125 mm discs'''.
They can be used to cut or grind [[metal]] or [[stone]], depending on the disc used. [[Cut-Off Wheels|Cut-off wheels]] ''(Trennscheiben)'' should not be used for grinding and [[Grinding Discs|grinding discs]] ''(Schruppscheiben)'' should not be used for cutting as they are primarily reinforced for one of the purposes and could otherwise overheat and break.


'''Make sure the disc is securely fastened and spins without an offset before cutting anything!'''
== Safety ==
Due to the high amount of sparks generated, it is a good idea to wear a [[Face Shield|face shield]] as a second layer over your [[goggles]]! In addition, you should put on some [[gloves]] and [[Hearing Protection|hearing protection]] before using a disc grinder.


'''Make sure the disc is securely fastened and spins without an offset before cutting anything! The manual suggests letting it run for a minute without load, only if there is still no increased vibration after that it is safe to use.'''


[[File:disc grinder vs steel.JPG|400 px|left|thumb|using a grinder to cut steel bars protruding from a wall]]
Do NOT operate a grinder without its semi-circular collar - it will protect you from a lot of the sparks and shrapnel of the disc (if one breaks on you). Stay away from [[aluminum]] unless you bought special discs, it can reportedly clog and overheat regular metal grinding discs up to the point of explosion!
 
== Discs ==
Be prepared to bring your own [[Abrasive Discs|discs]] if you have specific needs! There are usually some leftovers of the basic types:
{| class="wikitable" style="text-align: center;"
|'''tool type'''
|'''use'''
|'''properties'''
|'''suggested donation'''
|-
|metal cut-off wheels (''Metall-Trennscheiben'')
|cutting [[metals]] (except [[aluminum]])
|125{{x}}1.2 mm
|1 €/disc
|-
|metal grinding discs (''Metall-Schruppscheiben'')
|grinding [[metals]] (except [[aluminum]])
|125{{x}}6 mm
|3.50 €/disc
|}
 
We also like having some flap discs (''Fächerschleifscheiben'') around, feel free to leave us some after your project ;-)
 
<br clear=all>
 
<!--  NOTE: The following block "imports" content from separate pages - please don't change the code! To edit the actual information, please go back and click "edit" next to the section headline you are interested in :-)  -->
{{MachineInclusion|lemma=Cordless Disc Grinder}}{{MachineInclusion|lemma=Corded Disc Grinder|order=ascending}}




[[Category:Metalworking]]
[[Category:Metalworking]]
[[Category:Power Tools]]

Latest revision as of 20:21, 6 February 2024

MachineInfoBox

Disc Grinders

Disc grinder vs steel.JPG
Synonyms: angle grinders, right-angle grinders;
DE: Winkelschleifer, "Flex",
Trennschleifer, "Trennjäger"
Material: depending on disc:
metal (aluminum requires special discs!!),
stone
Used with: face shield, goggles,
hearing protection, gloves,
abrasive discs
Location: Metal Workbench
Access Requirements: Disc Grinder Introduction
Tutors: Lukas
Pakue
Johannes
Luzian
Similar (More or Less): rotary tool


We have a couple of disc grinders in the metal workshop. For small-scale applications, try using a rotary tool before you whip out this beast.

They can be used to cut or grind metal or stone, depending on the disc used. Cut-off wheels (Trennscheiben) should not be used for grinding and grinding discs (Schruppscheiben) should not be used for cutting as they are primarily reinforced for one of the purposes and could otherwise overheat and break.

Safety

Due to the high amount of sparks generated, it is a good idea to wear a face shield as a second layer over your goggles! In addition, you should put on some gloves and hearing protection before using a disc grinder.

Make sure the disc is securely fastened and spins without an offset before cutting anything! The manual suggests letting it run for a minute without load, only if there is still no increased vibration after that it is safe to use.

Do NOT operate a grinder without its semi-circular collar - it will protect you from a lot of the sparks and shrapnel of the disc (if one breaks on you). Stay away from aluminum unless you bought special discs, it can reportedly clog and overheat regular metal grinding discs up to the point of explosion!

Discs

Be prepared to bring your own discs if you have specific needs! There are usually some leftovers of the basic types:

tool type use properties suggested donation
metal cut-off wheels (Metall-Trennscheiben) cutting metals (except aluminum) 125 × 1.2 mm 1 €/disc
metal grinding discs (Metall-Schruppscheiben) grinding metals (except aluminum) 125 × 6 mm 3.50 €/disc

We also like having some flap discs (Fächerschleifscheiben) around, feel free to leave us some after your project ;-)



Makita DGA511

MachineInfoBox

Makita DGA511

Makita dga511.jpg
Synonyms: cordless disc grinder
Type: Cordless Disc Grinder
Used with: 125 mm grinding discs
Location: Metal Workbench
Access Requirements: Disc Grinder Introduction
Manual: icmsmakita.eu (PDF)
Tutors: Lukas
Pakue
Johannes
Luzian


The Makita DGA511 disc grinder is powered by the "LXT" 18 V battery system.

It uses 125 mm abrasive discs.


Makita 9565 HRZ (#1)

MachineInfoBox

Makita 9565 HRZ (#1)

Makita 9565 HRZ.jpg
Type: Corded Disc Grinder
Used with: 125 mm grinding discs
Location: Metal Workbench
Access Requirements: Disc Grinder Introduction
Manual: icmsmakita.eu (PDF)
Tutors: Lukas
Pakue
Johannes
Luzian


There are two Makita 9565 HRZ disc grinders with 1100 W available at the metal workshop. Usually one should be set up with a cutting disc while the other has a surface grinding disc.


Makita 9565 HRZ (#2)

MachineInfoBox

Makita 9565 HRZ (#2)

Makita 9565 HRZ.jpg
Type: Corded Disc Grinder
Used with: 125 mm grinding discs
Location: Metal Workbench
Access Requirements: Disc Grinder Introduction
Manual: icmsmakita.eu (PDF)
Tutors: Lukas
Pakue
Johannes
Luzian




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