Espresso grinders
Stepless worm collar, portafilter fork, hopper or single-dose feed, bellows purge.
Taiwan electric coffee grinder manufacturer · OEM & ODM since 2011
Coffee is decided at the burr. We build the grinder around it.
Espresso, filter, single-dose, café and cordless grinders on hardened steel, tool-steel and titanium-coated burrs from 38 to 98 mm. CIMMERONX cuts the burrs, winds the motors, aligns and calibrates every unit in Taichung, Taiwan — then ships to 45+ markets under our customers' own brand names.
- 15years on grinders
- 4assembly lines
- 900Kunits per year
- 45+export markets
What we build
Six grinder families, one burr shop
Everything below is an electric burr grinder for coffee — no blade choppers, no hand mills, no bought-in units we relabel. Pick a family to see the burr size, the drive and the duty cycle it is designed for.
Filter & pour-over
Wide range for V60, batch brew and immersion, with a sealed grounds bin.
All-purpose home
One grinder for espresso and filter, stepped settings, quiet helical gearbox.
Café & commercial
On-demand and doser bodies with forced-air burr cooling and duty-cycle headroom.
Single dose
No hopper: a 20 g funnel, anti-popcorn weight and a magnetic dosing cradle.
Cordless & travel
USB-C battery grinders for hotel rooms, campsites and office desks.
The burrs themselves
Four burr sets. Pick the one your drink needs.
Most buyers arrive knowing the price point and the shelf, but not the burr. This is the short version — our engineers confirm diameter, geometry, RPM and motor torque, then send you ground samples from your own beans before any steel is cut.
01
64 mm flat, SUS440C
Espresso and filter workhorse · our highest-volume set
- Hardness60–62 HRC
- Grind range180–1,100 µm
- Burr life900 kg
- Carrier runout≤ 0.01 mm
The default for anything that has to pull a ristretto and still open up for a V60.
02
83–98 mm flat, M2
Café on-demand · batch brew · roastery sample grinders
- Hardness62–64 HRC
- Throughput5–9 g/s
- Burr life2,800 kg
- Motor900–1,400 W
Big flats run cooler at volume. Specified when the machine grinds all day, not twice a morning.
03
38–48 mm conical
Home all-purpose · cordless · compact bodies
- Hardness58–60 HRC
- Grind range250–1,300 µm
- Burr life450 kg
- Motor40–160 W
Conicals pull the beans in themselves, so they tolerate a low-torque motor and a small, cheap housing.
04
TiN-coated & ceramic
Dark roasts · abrasive blends · long-service programmes
- Coating2–4 µm TiN
- Surface2,200 HV
- Burr life3× steel
- Cost delta+9 % to +18 %
Titanium nitride roughly triples burr life and holds the edge. Alumina ceramic goes further still, but chips if a stone gets past the hopper.
The range
Twelve grinders off tooling we already own
Every model here ships from moulds, castings and burr cutters that exist today, so you skip the tooling cost and four weeks of the calendar. Finish, dial curve, firmware and packaging are still yours to specify.
Vertex 64
64 mm flat steel on a stepless worm collar, with a 250 g hopper, bellows purge and a magnetic dosing cradle.
Vertex 64 SD
The same burr set with the hopper deleted: a 20 g single-dose funnel, anti-popcorn weight and a knock lever. Retention measured under 0.1 g.
Vertex 83 Pro
83 mm M2 flats on a 900 W motor for bars that dial in once and grind all through service. Portafilter fork and timed dose.
Cascade 78
Filter-first geometry with a 250 g hopper and a sealed grounds bin, reaching 1,100 µm for cold brew and French press.
Cascade Conic 48
48 mm conical for pour-over bars — narrow spread, 62 dB(A) at one metre, and an optional Bluetooth link to a bench scale.
Cascade Batch 90
Batch-brew grinder with a 2 kg hopper and a timed dose in 0.1 s steps, sized for 20 L urns and hotel breakfast service.
Aurora Home 40
40 mm conical with 40 stepped settings from espresso to press, in a die-cast body a kitchen is happy to leave on the counter.
Aurora Duo
Two burr chambers on one motor — a 48 mm conical for filter and a 64 mm flat for espresso — selected by a front collar.
Sentry Shop 98
98 mm flats, 1,400 W, forced-air burr cooling and a duty cycle rated at 8 kg an hour for high-volume espresso bars.
Kernel Lab 100
Sample grinder for roasteries and QC labs: 100 mm flats, tool-free burr swap and a swept chute for near-zero carry-over between cups.
Nomad C1
Cordless 38 mm conical on a 3,000 mAh cell — roughly 30 doses a charge, USB-C, 640 g, with a screw-on catch cup.
Nomad Mini
A 30 mm conical the size of a travel mug, for one cup on a trail or in a hotel room. Fits a 12-unit counter display.
Nothing in that family yet — tell us what you need and we will quote a programme.
How a grinder is made
From steel strip to a calibrated dial
Eight steps, all inside one building in Taichung. Nothing is subcontracted except die casting and anodising, both within twenty minutes of the plant.
- 01
Burr blanking
Discs are laser-cut from SUS440C or M2 strip, vacuum hardened and cryo-tempered to 60–64 HRC.
- 02
Tooth cutting
Cutting geometry is milled on five-axis CNC, then the flats are lapped until runout is inside 0.01 mm.
- 03
Housing & finish
Die-cast aluminium bodies are CNC finished, then anodised, powder-coated or brushed to the model's colourway.
- 04
Motor build
DC brushless and AC induction motors are wound, balanced and paired to a helical or planetary gearbox on site.
- 05
Alignment
Burr carriers are seated in a dial-gauge jig. Parallelism is signed off per unit, not per batch.
- 06
Calibration
Zero point is set against a reference sieve and the collar indexed, so setting 12 means the same thing on every unit.
- 07
Grind & safety test
Every unit grinds a test dose measured by laser diffraction, then passes hipot, leakage and temperature rise.
- 08
Packing
Burr brush, dosing cup and a printed dial card go into a die-cut insert; cartons are drop-tested to ISTA 3A.
Downstream
A machine can only work with the dose it is given
Our grinders are judged on somebody else's espresso machine, on somebody else's counter, by somebody who has never heard of us. That is the whole argument for measuring particle distribution on every unit instead of every batch — by the time the shot pulls, the grind is the one variable we controlled.
- 58 mm and 51 mm portafilter forks, plus a flat cradle for dosing cups and drip baskets
- Retention under 0.1 g, so the first shot of the morning is not yesterday's coffee
- Dial curves matched to the machine — a pressure profiler wants a different spread than a 9-bar pump
- A printed dial card in every box, mapping our settings to common baskets and brew methods
The plant
A grinder plant, not a general appliance line
A grinder is three hard problems bolted together — a cutting tool, a drive and a dose. The plant is laid out for exactly that: burr shop at one end, motor winding in the middle, alignment and calibration benches feeding the test wall.
- Four assembly lines, 900,000 grinders a year on a single shift
- In-house burr shop: 9 CNC stations, vacuum furnace, lapping and TiN coating
- Motor winding and gearbox assembly on site — no bought-in drive units
- Dial-gauge burr alignment on every unit, logged against its serial number
- 14,000 m² in the Taichung precision machinery park, plus a 2,600 m² finished-goods store
- Own EMC and safety lab: hipot, leakage, temperature rise, radiated-emission pre-scan
900Kgrinders a year
98 mmlargest flat burr
0.01 mmburr carrier runout
21 dfastest T1 sample
OEM & ODM
Bring a spec, a competitor's grinder, or just a price point
Around 70 % of what leaves the plant carries somebody else's name on the front. The rest starts as a conversation about a gap between two grinders already on the shelf.
Burr & drive selection
Tell us the drink and the duty cycle; we pick burr diameter, tooth geometry, RPM and motor torque. You get a particle-distribution report against your reference grinder — from your own beans — before tooling is quoted.
Housing, finish & tooling
Die-cast or extruded bodies, CNC-machined collars, anodised, powder-coated, brushed or soft-touch. Tooling is cut in Taichung, T1 samples in 21–30 days, and the tool stays documented under your part number.
Electronics & firmware
Timed dose, weight-based dose over a load cell, OLED or single-knob UI, 110 V and 230 V variants, ErP standby under 0.5 W. Dial curve, menu language and start-up behaviour are all yours to specify.
Packaging & private label
Colour cartons, moulded-pulp or EPE inserts, printed dial cards and grind guides, multilingual manuals, barcodes, serial and country-of-origin labelling. We hold your artwork and your certification files.
Have a grinder on your desk you want beaten?
Send us the model and your target price. You get a burr recommendation, a ground-coffee comparison and a piece price — usually within two working days.
Quality
Grinders fail in six predictable ways. We test all six.
Burrs go dull, alignment drifts, grounds stay in the chute, motors cook on a busy morning, gearboxes whine, and eventually something gets dropped. Each one has a rig on our floor and a report in your file.
Particle distribution
A test dose from every unit through laser diffraction; span and fines fraction logged against the model's reference curve.
Retention
Ten 18 g doses with the chute weighed dry before and after. Single-dose models must stay under 0.1 g.
Burr life & alignment
300 kg of coffee through a sample set, then runout and grind spread re-measured to prove the curve has not walked.
Motor endurance
1,000 hours at rated duty with thermal cut-out cycling; commercial bodies run 8 kg an hour for a week straight.
Noise & vibration
dB(A) at one metre in a semi-anechoic box, plus a vibration sweep so the unit does not walk across a counter.
Electrical safety
Hipot at 1,500 V, leakage current, temperature rise, 10,000 cord-flex cycles and an EMC pre-scan before the notified body sees it.
- CE — LVD & EMC
- UKCA
- FCC Part 15B
- ETL — UL 982
- PSE Japan
- RoHS
- REACH SVHC
- ISO 9001:2015
Where it ships
45+ markets, mostly coffee brands and appliance distributors
Share of last year's export volume by destination, shipped out of Taichung. Voltage, plug type, manual language and certification paperwork are handled per region.
- North America31%
- Europe27%
- Japan & Korea15%
- Greater China11%
- ASEAN & Oceania10%
- Rest of world6%
FAQ
The eight questions every buyer asks
What is the minimum order?
500 units per model per finish on existing platforms, 300 on the 83 mm commercial body and 150 on the 98 mm. Mixed finishes in one order are fine as long as each finish reaches 100 units — below that the anodising line's setup costs more than the parts.
What does tooling cost, and who owns it?
A grinder programme is usually USD 18,000–65,000 in tooling: die-cast housing, collar, hopper and chute, plus burr cutters if the geometry is new. You pay for it, so you own it — it stays in our shop under your part number and you can call it back at any time. We normally rebate part of it against the first two production orders.
Flat burrs or conical — which should I choose?
Flats give a narrower particle spread, which espresso rewards, and they scale to volume. Conicals feed themselves, need less torque and fit a smaller, cheaper body. So home all-purpose grinders are usually conical, and espresso and café grinders flat. We will grind and ship samples of both from your beans before you commit to either.
Can you build 110 V and 230 V versions?
Yes — 100/110/120 V 60 Hz and 220/230/240 V 50 Hz, with UK, EU, US, AU, JP and CN cord sets. We hold CE, UKCA, FCC, ETL and PSE files on our own platforms and hand the test reports to your importer. Certification issued in your own name is quoted separately, and we book the lab slot for you.
How long is the lead time?
21–30 days from approved drawings to T1 samples, then 45–60 days for mass production once samples are signed off. Repeat orders on existing tooling ship in 30–35 days. Add roughly two weeks if a new burr geometry has to be cut and life-tested.
Can I get samples first?
Existing models ship as paid samples at unit price plus courier, credited back against the first production order. For a custom programme the first sample is the T1 unit. Loose burr sets and bags of ground coffee are free, so you can compare distribution before anyone spends money on steel.
Do you handle retail packaging and private label?
Yes — colour cartons, moulded-pulp or EPE inserts, printed dial cards and grind guides, multilingual manuals, barcodes, serial labels and retail display trays. Send artwork as vector files with 3 mm bleed; you get a printed proof and a fully packed sample before the run.
What are the shipping terms?
FOB Taichung by default; EXW, CIF and DDP on request. Grinders are dense rather than bulky, so we quote by carton and pallet rather than by container volume — a 40 HQ typically carries 1,100–1,600 home units or 380–520 commercial bodies.
Contact us
Tell us what you need built
Drink, duty cycle, burr size if you know it, quantity, target price, and whether you have drawings or a grinder you want matched. We reply within one working day.
Emailcimmeronx@cimmeronx.com
Phone / WhatsApp+886 4 2350 6600
X@cimmeronx
Plant6 Jingke West Road, Nantun District, Taichung 408, Taiwan
HoursMon – Fri 08:30 – 18:00, Sat 09:00 – 13:00 (GMT+8)
ExportFOB Taichung · Port of Taichung · 45+ markets