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A grinding machine, often shortened to grinder, is any of various tools or machines used for grinding coffee beans.

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Can the MahlKoenig EK43 be calibrated coarser?

We just got in our new EK43; When we dial in to highest grind size (11 on our dial), it is much finer than what I would normally use for French Press, or even for Chemex or automatic drip. Here are ...
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2answers
157 views

How to prepare beans for grinding

A friend brought me home some coffee beans from his back garden in Sri Lanka (I live in Ireland :) ), and I am unsure on what to do next. He said that they dried them, but I will need to toast them on ...
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2answers
89 views

Running an empty grinder

To always have fresh coffee I put in the grinder only the amount I want to drink at that moment. Then I just grind until no more coffee comes out - but that causes the grinder to run empty for a few ...
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2answers
102 views

Why do some coffee beans produce more dust than others when ground?

I've noticed that at the same grind setting (medium grind), some coffee beans produce a ton of dust when ground, while others barely have any dust. I'm thinking it has to do with the roast level, but ...
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5answers
139 views

What's a good small hand / electric grinder available on the market?

Just transitioned from a coffee shop to an office job, and got a bag of wonderful Counter Culture coffee beans. New workplace only buys pre-ground coffee and runs it through a Mr. Coffee drip machine....
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2answers
236 views

Amount of money I should spend on a Grinder

I currently have a Chemex, a Aeropress and a bialetti espresso Machine(electric espresso machine, bad quality). I use mostly the aeropress and the Chemex. My grinder is a Hario manual grinder. I want ...
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1answer
414 views

How to clean an Iberital MC2/Challenge grinder that is stuck?

I have an Iberital MC2/Challenge grinder which got stuck today while grinding. Not sure what happened. In the manual, I can't see how I can clean the inside of the grinding mechanism. Does anyone ...
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2answers
454 views

Why does my Moka pot sometimes produce GREAT coffee and sometimes awful coffee?

So I try to grind about the same each time but for some reason if I don't hit the jackpot on adjusting my hand grinder I get sour or bitter coffee. Why is my Moka Express so finicky?
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1answer
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EK43 settings for shop grinding

I was wondering if anyone has a list of EK43 grind settings for different brew methods that they use for pre grinding coffee bags for customers. I know that pre grinding can be complicated for all ...
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0answers
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Is a blade grinder or burr grinder best for grinding coffee? [duplicate]

I have recently received some vouchers and have gotten into coffee recently. I what to start buying my own beans and grinding them rather than just buying instant coffee or even already ground coffee, ...
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2answers
154 views

What are some strategies for handling the transition between different-aged beans in a coffee shop Espresso grinder?

Suppose my grinder's hopper contains beans roasted 14 days ago, and the hopper is almost empty; suppose further that I have a full bag of 5-day-old beans, ready to go. If the new beans are added to ...
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2answers
384 views

What are the 4M's of espresso?

"4M" is something that I have been heard of as a requirement set for tasty espresso. What are these four important quality factors that affect the flavor of final espresso cup?
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1answer
148 views

Does this look like a decent coffee grinder?

I found it at a yard sale. It's cheap. Does it look worth purchasing? I usually brew my coffee in a percolator (or is it called a mocha brewer?), so I'd like to use it for that.
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1answer
807 views

Are ghost-burr grinders better than conical burrs?

I would like to know if ghost/crushing burrs produce better particle uniformity than conical burr grinders. Ghost burrs are particularly not so popular in the US, but some notable brands are from ...
7
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1answer
627 views

How can I calibrate my Hario grinder?

I have a hand-held Hario grinder, like this: The grind is adjusted by twisting a little knob underneath the black upper part. It's very hard to know when you're twisting it how far between the two ...
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2answers
164 views

What are the heath risks associated with grinding coffee beans a year after their sell by date?

I have had some coffee beans for over a year now and the date on them is July 2015. I have been drinking them for the past year because I have a big supply. The coffee still tastes great and I can ...
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3answers
4k views

Coffee Grinder vs. Spice Grinder - What's the difference?

What is the difference between a typical spice grinder and a specialized coffee grinder? Is there something that specifically affects the quality of the coffee? To clarify further, I am talking ...
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1answer
4k views

How to fix burr contact/alignment issues on an OE LIDO hand grinder on fine grinds?

The burrs on my Orphan Espresso LIDO E hand grinder touch/contact and grind each other when dialing into a fine grind, even when the basket is empty of beans. Is this supposed to happen? Are they ...
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1answer
689 views

How do I stop my Hario Skerton from squeaking when I grind beans?

My Hario Skerton is very new, and has recently developed a squeak (like scratching a black board, but less soul piercing) that is only present when I grind beans. It's irritating, but also mildly ...
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1answer
1k views

Breville Smart Grinder Pro setting for cold drip

I've been trying to find the best grind size to use in my Bruer cold drip setup. I bought a Breville Smart Grinder Pro (highly recommended). Has anyone used this grinder before, and if so what grind ...
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1answer
82 views

Different grinding size for boil coffee and coffee maker?

Is there any significant difference between the ideal grinding size for a drip coffee maker and for immersion (boiled) coffee? When whole beans is not an alternative in a store, you often have the ...
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4answers
421 views

Should I grind my coffee beans at home, or en masse in the coffee shop?

I bought a pack of New Orleans' PJ's whole bean coffee. It is a bit old, about a year. I am flexible type though, I'll drink it. The problem is my indecision about whether to grind it piecemeal or ...
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2answers
3k views

Avoid clumps in finely ground coffee

I am currently using a Baratza Encore grinder with my Saeco Aroma espresso machine. I know that neither of these are very high quality products, but I really don't have the budget to upgrade. The ...
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4answers
450 views

How can I get a more even grind with a rotary grinder?

In general, I prefer burr grinders for grinding coffee beans, but sometimes I have to use a rotary grinder. I'd like to understand how to best use the rotary grinder for grinding coffee beans. I find ...
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2answers
632 views

Is there a difference between a manual and an automatic grinder?

Is there any notifiable difference between coffee beans grinder by an automatic grinder or a manual grinder like a hand-crank? I see many people to swear on their manual grinder (me too) but I'm ...
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1answer
108 views

Changing Coffee makes me change grinder level

I have a Gaggia Classic with Grinder Rancilio Rocky. Last week, I changed coffee in my grinder, and now, coffee flow is very low. I had to change 3 level of grinder for my new coffee... Why Grinder ...
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3answers
4k views

Is my new Baratza Virtuoso producing too many fines?

I just received a new Baratza Virtuoso - the first automatic coffee grinder I've ever owned. Every single review I've read said it's exceptional grinder, and produces very few fines, which I ...
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4answers
727 views

Blade grinders: any advantage over burr grinders besides cost?

There are many blade grinders in the market, and they are usually cheaper than burr grinders. I've almost always heard and read that burr grinders are the best choice for most of coffee preparations. ...
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7answers
3k views

Why would anyone want to hand grind their coffee?

I often buy pre-roasted beans so that they last longer in storage. This means I have to grind the beans. I have a cheap spice grinder that does a great job at preparing the beans into ground coffee. ...
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0answers
119 views

Small grinder for espresso [closed]

I am looking for a small grinder to grind espresso grade. Most of the good grinders out in the market are huge or mid-size. My kitchen is pretty small and I don't have space for yet another machine. ...
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3answers
7k views

How does coffee grind consistency affect coffee taste

I have a grinding machine with a lot of different settings. Even between the categories of Fine and Medium there are sub levels of grinding. I'm not sure how they relate to the flavor of the coffee. ...
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5answers
2k views

Which type of coffee grinder is the quietest?

Perhaps my question should be "What is the best type of grinder to use at my desk if I work in a cubicle and use a French Press?". I have tried finding decibel measurements on Amazon's website, but ...
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3answers
106 views

Are high-end cone grinders adjustable?

I switched from a modestly priced blade grinder to a moderately priced cone grinder because the results were inconsistent (some very fine powder and some only fragmented beans mixed with usable ...
8
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1answer
292 views

Why do barista's keep activating the doser whilst grinding coffee

I notice that some barista's keep whacking the doser on the coffee grinder when they fill the espresso holder. What's the theory behind this? I would've thought that the fact that the coffee is being ...