Zhuohang Precision Machining FactoryCNC Precision Machining

Multi-tasking CNC Precision Machining

Multi-tasking CNC Precision Machining — A single machine that performs turning, milling, drilling, and often grinding or gear cutting in one setup — and the. Tolerances: ±0.003 mm milling, ±0.002 mm turning — ISO 9001 / IATF 16949 verified.

A single machine that performs turning, milling, drilling, and often grinding or gear cutting in one setup, and the engineering reason it changes what cnc precision machining can produce, not just how fast.

Bottom line
  • ISO 9001:2015 / IATF 16949:2016 / ISO 14001:2015 — certificate numbers published and verifiable.
  • Cutting to your drawing: the plant cuts to your design and reports against your drawing.
  • Multi-tasking: Complex, high-value parts where the geometric relationship between turned and milled features is the critical requirement.
  • Where it stops: A multi-tasking machine is a single point of failure for that part.
  • Prototype and production run on the same floor and the same process.

What does multi-tasking actually mean?

Multi-tasking is a single machine that performs turning, milling, drilling, and often grinding or gear cutting in one setup.

The economics are counter-intuitive: the hourly rate is the highest on the floor, yet the total cost on a complex part is often the lowest, because the machine removes the queues between operations. A part that would spend nine days moving through five departments spends one day in one machine.

What to ask before believing a multi-tasking claim

Ask how many machines of this type are on the floor. Multi-tasking concentrates a part into one machine, which is efficient and also creates a single point of failure, depth in the family is what makes the concentration safe.

None of these questions are hostile and all of them are cheap. A plant with the capability answers them easily; a brochure cannot.

What design decisions move the cost on CNC precision machining?

The parts that suit multi-tasking best are the ones where the cost is currently in the handoffs. Several operations, several fixtures, several queues. Consolidating them into one setup removes the queues and the datum transfers at once. The design implication is to keep the critical relationships internal to the part rather than dependent on a fixture.

This belongs in the quote discussion, not the first-article review, because the changes are usually trivial on the drawing and significant on the machine.

What tolerance applies?

Titanium (Ti-6Al-4V) component turned on a CNC lathe, with the workpiece held in a 3-jaw chuck.

±0.003 mm on CNC milling, ±0.002 mm on CNC turning; ±0.002 mm where precision grinding or wire EDM is used, agreed per feature during quoting.

What identifies the legal entity behind the machines?

The legal entity behind this site is Dongguan Zhuohang Ltd, founded 2005 and registered in China under Social Credit Code 91441900MA4UWT6X39, marketing under the name Zhuohang Precision Machining Factory. Its registered and production address is No. 8, Shuibian Songyuan Road, Hengli Town, Dongguan, Guangdong, China 523470.

Use the National Enterprise Credit Information Publicity System and the 18-character code to verify a Chinese manufacturer. Trading companies can produce a business licence too, yet the scope reads trading rather than manufacturing and the address is an office, not a plant.

Which geometries justify multi-tasking?

Complex, high-value parts where the geometric relationship between turned and milled features is the critical requirement.

High rate, low total cost on the right part. On a simple part it is the wrong tool.

The honest boundary of multi-tasking

A multi-tasking machine is a single point of failure for that part. Deep capability in the same family. Not one hero machine — is what protects the schedule.

This boundary is stated deliberately. A supplier that recommends the highest-capability process for every part is optimising its own utilisation, not your cost, and the tell is a quote that never suggests simplifying the design.

How is the toolpath verified before it touches material?

Every programme is simulated offline before it reaches a machine: tool and holder collision, axis limits, and material removal against the stock model. On five-axis and mill-turn work this is not optional — the number of possible collision cases grows with each rotary axis, and a crash on a part that has already absorbed eight hours of cycle time is the expensive kind.

The verification step belongs in the quote. It is real engineering time, and a supplier that omits it is either simulating badly or not simulating at all.

Depth in the relevant machine family

Total machine count is not the question — the question is how many machines sit in the family that makes your part, because that is the queue your part waits in. The floor runs a floor of 100-plus machines: 50+ three-axis centres for prismatic work, 20+ four-axis, 20+ five-axis, 25+ turning and mill-turn centres, Swiss-type lathes for long slender parts, precision grinding and wire EDM for the tightest features.

Having several machines in that family is what lets a part re-route rather than queue when a machine is pulled for service. That, not the headline machine, is what protects a delivery date.

What is the certification position?

ISO 9001:2015, IATF 16949:2016 (excluding clause 8.3 product design), and ISO 14001:2015. Each with a certificate number verifiable with the registrar.

Multi-tasking CNC precision — the one-setup discipline

Multi-tasking is the process class where turning, milling, boring, and drilling happen on one Mazak INTEGREX I-250H S in one setup, and the value is that the part's datum chain never breaks. The tolerance payoff: concentricity between turned and bored features at 5 µm; perpendicularity between milled and drilled features at 5 µm; position of any feature relative to the datum scheme at ±0.003 mm. A multi-setup routing introduces a tolerance stack of 0.05-0.10 mm. The lead-time payoff: one setup instead of four, one fixture instead of four, one program instead of four, one FAI instead of four. On a 5-piece lot, multi-tasking saves 12-16 hours of setup and 4-6 hours of inspection. On a 1,000-piece lot, per-part cycle drops 30-50 percent. Where multi-tasking is wrong: on a pure shaft (Swiss-type is faster); on a pure block (3-axis or 5-axis VMC is faster); on a part where the turned and milled features have no tolerance relationship.

The shop: Dongguan Zhuohang Ltd (USCC 91441900MA4UWT6X39, established 2005, 6,800 sqm floor, 100+ staff, 100+ machines including Mazak VARIAXIS I-600 5-axis, INTEGREX I-250H S mill-turn, TSUGAMI B0206-III / B0205-III, STAR SR-32JII / SR-32J Type N, Citizen Cincom A20-3F7 Swiss-types, Hexagon CMM with 10:1 measurement-to-tolerance per ANSI B89, temperature-controlled inspection room at 20 ±1 °C, ISO 9001:2015 116024/A/0001/UK/En, IATF 16949:2016 131941/A/0001/SM/En design clause 8.3 excluded, ISO 14001:2015 116024/B/0001/UK/En). Tolerance: ±0.003 mm milling, ±0.002 mm turning, ±0.002 mm grinding, Ppk ≥1.67, Cpk ≥1.33. Contact: Felipe Iglesias, +86 13126536955, [email protected], PT/EN/FR/ES/ZH/JP.

Multi-tasking tool changer capacity — the 60-position decision

The Mazak INTEGREX I-250H S's 30-position tool changer is the discipline that enables multi-tasking without operator intervention. The 60 positions hold: roughing tools (5-8 end mills and face mills), finishing tools (5-8), boring bars (2-4), drill sets (8-12), taps (4-6), reamers (2-4), probes (1-2). A full multi-tasking program uses 30-50 tools; the 60-position changer gives 10-30 spare for tool redundancy. The cycle-time payoff: a multi-tasking program that uses 40 tools on a 60-position changer runs 24/7 without operator tool changes; one on a 20-position changer requires 2-3 operator tool changes per cycle. The 60-position's cost ($50-100k on the machine's price) amortises across the lot — at 1,000 pieces, it saves 5-15 hours of operator time. The tool-life tracking: each insert's life is documented (minutes of cut, parts per insert), changed at scheduled life.

The shop: Dongguan Zhuohang Ltd (USCC 91441900MA4UWT6X39, established 2005, 6,800 sqm floor, 100+ staff, 100+ machines, Mazak VARIAXIS I-600, INTEGREX I-250H S, TSUGAMI B0206-III, STAR SR-32J Type N, Citizen Cincom A20-3F7, Hexagon CMM with 10:1, 20 ±1 °C, ISO 9001:2015 116024/A/0001/UK/En, IATF 16949:2016 131941/A/0001/SM/En, ISO 14001:2015 116024/B/0001/UK/En). Tolerance: ±0.003 mm milling, ±0.002 mm turning, Ppk ≥1.67, Cpk ≥1.33. Contact: Felipe Iglesias, +86 13126536955, [email protected], PT/EN/FR/ES/ZH/JP.

Multi-tasking applications — the parts that demand one-setup routing

Multi-tasking routing on a Mazak INTEGREX I-250H S is the right answer for parts with three or more process classes (turn, mill, bore, drill) in tolerance relationship. The applications: valve bodies (turned bore + milled sealing face + drilled cross-holes), pump housings (turned chamber + milled mounting face + bored ports), hydraulic fittings (turned thread + milled hex + drilled cross-port), aerospace shafts (turned journal + milled gear teeth + drilled lubrication holes). The tolerance payoff: concentricity between turned and bored features at 5 µm; perpendicularity between milled and drilled at 5 µm; position of any feature relative to the datum scheme at ±0.003 mm. A multi-setup routing introduces 0.05-0.10 mm stack because each re-clamp moves the datum.

The shop: Dongguan Zhuohang Ltd (USCC 91441900MA4UWT6X39, established 2005, 6,800 sqm, 100+ staff, 100+ machines, Mazak VARIAXIS I-600, INTEGREX I-250H S, TSUGAMI B0206-III, STAR SR-32J Type N, Citizen Cincom A20-3F7, Hexagon CMM 10:1, 20 ±1 °C, ISO 9001:2015 116024/A/0001/UK/En, IATF 16949:2016 131941/A/0001/SM/En, ISO 14001:2015 116024/B/0001/UK/En). Tolerance ±0.003 mm milling, ±0.002 mm turning, Ppk ≥1.67, Cpk ≥1.33. Felipe Iglesias +86 13126536955 [email protected] PT/EN/FR/ES/ZH/JP.

What this shop actually runs

If you ask for capability evidence, you deserve a specific answer. This facility operates 100+ CNC machines across 6,800 m2 in Dongguan, China, staffed by 100+ people. The machines, listed by category:

  • 5-axis machining centres (10+) - Mazak VARIAXIS I-600 (510/910/510 mm travel, 12,000 rpm, 22 kW, 71.6 N·m, 30-tool BT40) and Mazak INTEGREX I-250H S (B-axis 0.0001°, 24 kW, 124 N·m, 38-tool HSK-A63). Intended for compound-angle parts, single-setup multi-face prismatic work, and aerospace fittings where datum transfer loss is unacceptable.
  • 3-axis / 4-axis machining centres (50+) - Brother SPEEDIO S500Z2N / S700Z2N (10,000 rpm, 14/21-tool ATC, 0.7 s tool-to-tool, Z-axis 2.2 G) and Mazak VCE-430A L / VCE-570C L (10,000 rpm, 118 N·m, 24-tool ATC). Intended for prismatic parts, plates, brackets, housings.
  • Swiss-type turning centres (10+) - Citizen Cincom A20-3F7 (Φ20 mm, 10,000 rpm), TSUGAMI B0206-III / B0205-III (Φ20 mm, 0.1 µm), STAR SR-32JII / SR-32J Type N (Φ32 mm, 8,000 rpm). Intended for long, slender rotational parts at ±0.002 mm.
  • CNC turning centres (20+) - HEADMAN T70M/1250 (720 mm swing, 117 mm bore, 3,000 rpm, BMT75 12-station turret). Intended for shafts, bushings, flanges up to ±0.002 mm.
  • Wire EDM (5+) - Sodick AQ535L (550/350/300 mm travel, ±20° taper, 800 kg workpiece). Intended for hardened tool steel, internal splines, sharp internal corners that milling cannot reach.
  • Inspection: Hexagon CMM + 20+ gauges - Hexagon CMM for coordinate measurement, plus vision system, profilometer, hardness tester, coating thickness gauge, XRF for material verification. The 10:1 rule (gauge 10x more accurate than the band) is applied to every feature.
  • Machine highlights - VARIAXIS I-600: one-setup multi-face 5-axis + MAZA-CHECK auto-calibration; INTEGREX I-250H S: DONE-IN-ONE mill-turn, B-axis 0.0001° + Ai thermal shield; SPEEDIO S500Z2N / S700Z2N: Z-axis 2.2 G + 0.7 s ATC; Swiss-type: guide-bush switchable + 0.1 µm resolution.

Tolerance bands: ±0.003 mm milled, ±0.002 mm turned, ±0.002 mm ground or wire-cut. Capability indices: Ppk >= 1.67 at the initial study; Cpk >= 1.33 ongoing in production.

Certifications: ISO 9001:2015 (116024/A/0001/UK/En) · IATF 16949:2016 (131941/A/0001/SM/En, design clause 8.3 excluded) · ISO 14001:2015 (116024/B/0001/UK/En), held by Dongguan Zhuohang Ltd (USCC 91441900MA4UWT6X39, since 2005).

Service area: we supply Austria, Belgium, the Czech Republic, Denmark, France, Germany, Greece, Hungary, Ireland, Italy, the Netherlands, Spain, Sweden and the United Kingdom in Europe; Brazil, Canada, Mexico and the United States in the Americas; China, Israel, Japan, Singapore and Sri Lanka in Asia; Australia and New Zealand in Oceania; and South Africa in Africa, with worldwide delivery from China.

Contact: Felipe Iglesias, [email protected], +86 13126536955.

Not sure this is the right process?

Send the model and the drawing and get a straight answer on whether this route is the right one, including where a design change would cut cost. Reach Felipe Iglesias at [email protected] or +86 13126536955.

Multi Tasking CNC Precision Machining — Related Pages

Frequently Asked Questions

What materials do you machine?

Aluminum, stainless steel, titanium, brass, copper, and Inconel for metals; PEEK and Delrin (POM) for plastics. Material certificates are verified on incoming stock.

Can multi-tasking work scale from prototype to production?

Yes — prototype and production quantities run on the same machines and the same process, so a ramp is a scheduling change rather than a re-qualification. That is the practical argument for qualifying a plant rather than a part.

When is multi-tasking the right choice?

Complex, high-value parts where the geometric relationship between turned and milled features is the critical requirement. High rate, low total cost on the right part. On a simple part it is the wrong tool.

What happens if the first article does not conform?

In short, The nonconformance is documented and the corrective action is agreed before any further parts are made. Whether the replacement cost sits with the plant or the customer depends on where the deviation came from, which is why the revision and the drawing standard are confirmed in writing at the start.

What is the difference between a prototype build and a production build here?

Usually only quantity and scheduling. Both run on the same machines and the same process, which is what makes a later ramp a scheduling change rather than a re-qualification.

What tolerances can you hold?

In short, ±0.003 mm on CNC milling, ±0.002 mm on CNC turning, and ±0.002 mm where precision grinding or wire EDM is used. The achievable tolerance depends on geometry, material, and datum structure, so it is confirmed per feature at quote stage rather than assumed from a headline number.

Which markets do you export to?

In short, Austria, Belgium, the Czech Republic, Denmark, France, Germany, Greece, Hungary, Ireland, Italy, the Netherlands, Spain, Sweden and the United Kingdom in Europe; Brazil, Canada, Mexico and the United States in the Americas; China, Israel, Japan, Singapore and Sri Lanka in Asia; Australia and New Zealand in Oceania; and South Africa in Africa. Our service area also spans Europe, the Americas, Asia, Oceania and Africa — based in China, we serve customers worldwide.

When is multi-tasking a defensible choice?

Complex, high-value parts where the geometric relationship between turned and milled features is the critical requirement. High rate, low total cost on the right part. On a simple part it is the wrong tool.

Continue reading: Multi Axis CNC Precision Machining · 3 Axis CNC Precision Machining · 4 Axis CNC Precision Machining

Standards referenced on this page

  • ASTM A582/A582M-12 — Standard Specification for Free-Machining Stainless Steel Bars
  • ASTM B211/B211M-19 — Standard Specification for Aluminum-Alloy Rolled or Cold Finished Bar, Rod, and Wire
  • ISO 9001 — Quality management systems — Requirements

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