Disc Grinders: Difference between revisions

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{{MachineInfoBox
{{MachineInfoBox
|machine name=Alpha Tools WS 960/125
|machine name=Alpha Tools WS 960/125
|image=Alpha Tools WS 960-125.jpg
|image={{!}}
|extra-image=Alpha Tools WS 960-125.jpg
|location=[[Location::Metal Workshop|metal workshop]]
|location=[[Location::Metal Workshop|metal workshop]]
|tutors=[[Tutor::User:Lukas|Lukas]], [[Tutor::User:Pakue|Patrick]]
|tutors=[[Tutor::User:Lukas|Lukas]], [[Tutor::User:Pakue|Patrick]]
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{{MachineInfoBox
{{MachineInfoBox
|machine name=King Craft WS 125
|machine name=King Craft WS 125
|image=King Craft WS-125.jpg
|image= {{!}}
|extra-image=King Craft WS-125.jpg
|location=[[Location::Metal Workshop|metal workshop]]
|location=[[Location::Metal Workshop|metal workshop]]
|tutors=[[Tutor::User:Lukas|Lukas]], [[Tutor::User:Pakue|Patrick]]
|tutors=[[Tutor::User:Lukas|Lukas]], [[Tutor::User:Pakue|Patrick]]

Revision as of 19:29, 28 June 2019

MachineInfoBox

Disc Grinders

Disc grinder vs steel.JPG
Synonyms: angle grinders, right-angle grinders;
DE: "Flex", Winkelschleifer,
Trennschleifer, "Trennjäger"
Type: power tool
Material: depending on disc:
metal (except aluminum), stone
Used with: face shield, goggles,
hearing protection, gloves,
abrasive discs
Location: metal workshop
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, it can reportedly clog and overheat the disc up to the point of explosion!

Discs

You may have to bring your own discs if you have specific needs, but we have some basic ones:

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 × ?? mm ??
sanding disc holder sanding ?? depends on the sanding disc

We'd also like to have flap discs (Fächerschleifscheiben) in the future, feel free to leave us some after your project ;-)

Alpha Tools WS 960/125

MachineInfoBox

Alpha Tools WS 960/125

Property "Has image" (as page type) with input value "File:" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process.
Used with: 125 mm cut-off wheels
Location: metal workshop
Access Requirements: Disc Grinder Introduction
Manual: einhell.com
Tutors: Lukas
Pakue
Johannes
Luzian


We are usually using this grinder for cutting so there should be a cut-off wheel installed.

This grinder works with 125 mm discs.

King Craft WS 125

MachineInfoBox

King Craft WS 125

Property "Has image" (as page type) with input value "File:" contains invalid characters or is incomplete and therefore can cause unexpected results during a query or annotation process.
Used with: 125 mm grinding discs
Location: metal workshop
Access Requirements: Disc Grinder Introduction
Tutors: Lukas
Pakue
Johannes
Luzian


CAUTION - the "King Craft" grinder has a switch that will stay on until you push it back to the "off" position, so it could surprisingly start when plugged in!

We are usually using this grinder for grinding so there should be a grinding disc installed.

This grinder works with 125 mm discs.