cnc turning parts: Stainless 303 / 304 / 316L, fins at pitch, flatness, thermal resistance. MOQ 30 pcs, ships in 72 hours.
cnc turning parts: Stainless 303 / 304 / 316L, fins at pitch, flatness, thermal resistance. MOQ 30 pcs, ships in 72 hours.
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CNC turning parts from BQUQ are machined from Stainless 303 / 304 / 316L and can run up to 1000 mm in length while holding flatness on the mounting face directly from the tool. Thermal resistance is measured per lot, tooling runs are stable, and inspection catches die wear as a measurable shift in fin pitch before parts reach the field. Low fin gauge and tight pitch give more surface per cubic millimetre than machined or extruded profiles in the same envelope.
CNC turning parts from BQUQ are machined from Stainless 303 / 304 / 316L and can run up to 1000 mm in length while holding flatness on the mounting face directly from the tool. Thermal resistance is measured per lot, tooling runs are stable, and inspection catches die wear as a measurable shift in fin pitch before parts reach the field. Low fin gauge and tight pitch give more surface per cubic millimetre than machined or extruded profiles in the same envelope.
The cnc turning parts combines fin pitch with stock in Stainless 303 / 304 / 316L, so up to 1000 mm length parts keep on the mounting face. Thermal resistance is , measured at per lot.
Because the base and fins are pressed as one piece, there is no brazed joint to fail. flatness on the mounting face is held directly from the tool, which keeps thermal interface contact uniform.
A single stroke forms the whole cnc turning parts, so part cost stops scaling with complexity. Tooling runs , and the cycle feeds a line.
Low fin gauge is where stamping wins: fins at pitch give more surface per cubic millimetre than a machined or extruded profile of the same envelope.
Stamped construction tolerates batch variation better than extrusion: die wear shows up first as a measurable shift in fin pitch, which inspection catches at rather than in the field.
Pressing Stainless 303 / 304 / 316L keeps the cnc turning parts light, from depending on envelope, without sacrificing fin density, which matters where airflow path length is already fixed by the enclosure.
The standard material is Stainless 303 / 304 / 316L, supplied with bead blast + passivate. For applications where robotics exposure is a concern, we recommend the passivated route; where conductivity matters more than weight, copper C110 raises thermal performance and roughly doubles unit mass.
General dimensions run to , with critical features such as held separately. Formed geometry inherits tooling repeatability of , and hole position is held to . Tighter classes need an extra press operation, so it is worth deciding before tooling rather than after.
Each batch carries a CMM report from . We record flatness, pitch, base thickness and hole position, and flag anything outside before it leaves the line.
Flatness is measured on granite rather than on cast iron, because at up to 1000 mm length reads differently on a plate that has not been lapped. Records keep both readings.
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We inspect fin tips for burr and crack after forming, because stamping can split a root without shifting any drawing dimension. Burr limit is set per part.
Final containment is . Every carton is labelled with lot, quantity and inspection status, and the record is kept for 10 years against the ISO9001 file.
See also: Server Airflow and Ducting: Getting Air Where It Counts.
In robotics, the rating determines how much airflow the enclosure still needs. At robotics junction temperatures, fins at pitch keep the delta-T inside the sensor budget.
For robotics builds, the mounting face matters as much as the thermal rating: it decides whether thermal interface material spreads evenly or pools at one end.
robotics customers typically specify Stainless 303 / 304 / 316L for corrosion reasons and then hold the drawing to . The line absorbs the volume without a second source.
robotics packaging and vibration rules push toward one-piece construction. A stamped cnc turning parts has no adhesive to creep, which is the usual failure mode in two-part coolers.
| Parameter | Value / Range |
|---|---|
| Material | Stainless 303 / 304 / 316L |
| Surface finish | bead blast + passivate |
| Size range | up to 1000 mm length |
| MOQ (prototype) | 30 pcs |
| MOQ (production) | 200 pcs |
| Lead time (prototype) | 72 hours |
| Lead time (production) | 10 working days |
General dimensions run to ; critical ones such as are held separately. Formed features inherit tooling repeatability of . If your drawing needs tighter, tell us before tooling so we can plan the extra press operation.
Yes, we ship as-pressed for customers who do their own finishing. The risk is handling marks on fins, so we pack those parts with interleaving sheets inside .
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Standard packing is . We quote . Export cartons are labelled with lot, quantity and inspection status, and full documentation including the inspection report travels with the goods.
We supply a 2D drawing with the CMM report, and 3D STEP on request. Both show flatness callouts and tooling split lines, which matters if you are checking in your own assembly.
Further technical detail: How to Design Parts for Metal Stamping: 10 Rules for Manufacturability.
Yes. Send your enclosure airflow, inlet temperature and the heat load to be dissipated, and we will run a steady-state model and return a suggested and combination. That usually saves one tooling iteration.
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Our robotics experience runs back to the first tooling programme in 2015. That history is why the standard bead blast + passivate and are conservative rather than optimistic.
Tooling is built in-house, which is how is held across a programme rather than drifting part by part.
Quality staff sit beside the press, not in a separate room. Deviations on or stop the run at the tool rather than at final inspection.
Request a quote: sc@bquq.com | WhatsApp +86 13713157787 | Dongguan, China
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| Parameter | Value / Range |
|---|---|
| Material | Stainless 303 / 304 / 316L |
| Tolerance | Flatness held directly from the tool on the mounting face |
| Lead time | Standard production lead time after tooling approval |
| MOQ | Low-volume and batch production accepted |
| Capacity | Up to 1000 mm length parts; cycle feeds a line |
| Option | Best for | Trade-off |
|---|---|---|
| Stamped fins | High fin density in a fixed airflow envelope | Die wear shifts fin pitch over time |
| Machined profile | Simple geometry and tight single-piece control | Lower surface area per cubic millimetre |
| Extruded profile | Long uniform sections | Less tolerant of batch variation than stamping |
| Brazed assembly | Complex multi-piece shapes | Brazed joint can fail under thermal cycling |
| Pressed one-piece base and fins | Uniform thermal interface contact | Requires tooling and stroke control |
| Stage | Control | Record |
|---|---|---|
| Material selection | Stainless 303 / 304 / 316L verified | Material certificate and lot traceability |
| Forming | Single stroke forms base and fins as one piece | Tooling run and cycle log |
| Fin pitch check | Measurable shift in fin pitch detected | Inspection record at lot level |
| Flatness check | Flatness on mounting face held from the tool | Dimensional report before shipment |
| Thermal test | Thermal resistance measured per lot | Per-lot thermal resistance data |
| Final inspection | Inspection before every shipment | Shipment release record |
BQUQ machines CNC turning parts from Stainless 303 / 304 / 316L. These grades support parts up to 1000 mm in length while keeping flatness on the mounting face directly from the tool, so thermal interface contact stays uniform and the part remains light depending on envelope.
Flatness on the mounting face is held directly from the tool, not from a secondary operation. Because the base and fins are pressed as one piece, there is no brazed joint to fail. Inspection verifies flatness before every shipment, which keeps thermal interface contact uniform across the lot.
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BQUQ produces CNC turning parts up to 1000 mm in length. At that length, flatness on the mounting face is still held directly from the tool, and the single-stroke forming process keeps the base and fins as one piece without a brazed joint.
Further technical detail: Stainless Steel 304 vs 430 for Stamping: Which Grade Is Right?.
Thermal resistance is measured at per lot. This per-lot measurement confirms that fin pitch, fin gauge, and mounting-face flatness remain within specification. If die wear shifts fin pitch, inspection catches it at the lot level rather than in the field.
Low fin gauge is where stamping wins: fins at pitch give more surface per cubic millimetre than a machined or extruded profile of the same envelope. Stamped construction also tolerates batch variation better than extrusion, because die wear shows up first as a measurable shift in fin pitch that inspection catches.
BQUQ accepts low-volume and batch production for CNC turning parts. Because a single stroke forms the whole part, part cost stops scaling with complexity, and tooling runs are stable enough to feed a line. Contact BQUQ with your envelope and fin pitch for a specific MOQ.
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Inspection before every shipment covers fin pitch, fin gauge, flatness on the mounting face, and thermal resistance measured per lot. Die wear shows up first as a measurable shift in fin pitch, so lot-level inspection catches variation before parts reach the field.
| Parameter | Value / Range |
|---|---|
| Material | Stainless 303 / 304 / 316L |
| Tolerance | Flatness on mounting face directly from tool |
| Lead time | Stable tooling runs; cycle feeds a line |
| MOQ | Not specified in article |
| Capacity | Up to 1000 mm length |
| Option | Best for | Trade-off |
|---|---|---|
| CNC turning parts | Up to 1000 mm length with flatness on mounting face | Not for complex brazed joints |
| Machined profiles | Simple geometries | Less surface per cubic millimetre than stamped fins |
| Extruded profiles | Uniform cross-sections | Less surface per cubic millimetre than stamped fins |
| Stamped construction | Low fin gauge and tight pitch | Tooling wear measurable as fin pitch shift |
BQUQ CNC turning parts are machined from Stainless 303 / 304 / 316L. These materials provide corrosion resistance and machinability. Parts can run up to 1000 mm in length while holding flatness on the mounting face directly from the tool. Thermal resistance is measured per lot for each material batch.
CNC turning parts from BQUQ can run up to 1000 mm in length. Flatness on the mounting face is held directly from the tool, which keeps thermal interface contact uniform. This length capability suits applications requiring long, straight turned components with tight flatness.
Flatness on the mounting face is held directly from the tool during CNC turning. Because the base and fins are pressed as one piece, there is no brazed joint to fail. This keeps thermal interface contact uniform and ensures consistent performance in the field.
Thermal resistance is measured per lot. Inspection catches die wear as a measurable shift in fin pitch before parts reach the field. This per-lot measurement ensures that each batch meets thermal performance requirements and that tooling runs remain stable throughout production.
Low fin gauge and tight pitch give more surface per cubic millimetre than machined or extruded profiles in the same envelope. Stamped construction tolerates complex fin patterns, and a single stroke forms the whole part, so part cost stops scaling with complexity. Tooling runs are stable and the cycle feeds a line.
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Inspection before every shipment catches die wear as a measurable shift in fin pitch. Thermal resistance is measured per lot. Tooling runs are stable, and the cycle feeds a line. These controls ensure that parts meet specifications and do not reach the field with defects.
The article does not specify lead time or MOQ. Tooling runs are stable, and the cycle feeds a line, which supports consistent production. For specific lead time and MOQ, contact BQUQ directly with your part requirements and quantity.
| Parameter | Specification |
|---|---|
| Material | Stainless 303 / 304 / 316L |
| Surface finish | bead blast + passivate |
| MOQ (prototype) | 30 pcs |
| Lead time (production) | 10 working days |
| Size range | up to 1000 mm length |
