Weldo operator working with turn-mill machining equipment

Integrated Turning + Milling

Turn-Mill Compound Machining

Produce complex rotary parts with turning, milling, drilling and threading in a coordinated setup. Weldo supports prototypes and repeat production in metals and engineering plastics.

ISO 9001 14+ years of experience Drawing-based DFM review

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Prozessübersicht

What Turn-Mill Machining Combines

Turn-mill Compound machining coordinates lathe operations with driven-tool machining. It is useful when a rotary part also needs flats, slots, cross holes, threads or other milled features.

ONE COORDINATED ROUTE

Mixed Features, Fewer Transfers

The process can reduce movement between separate machines. This helps preserve relationships between features and simplifies work-in-process control.

Turning and facing Milling and slotting Drilling and boring Internal and external threads

Projects may also combine CNC-Drehdienstleistungen mit CNC-Fräsdienstleistungen when separate operations are more practical.

Interior view of turn-mill machining equipment

Part Selection

When One Setup Makes Sense

Turn-mill machining delivers the most value when rotational and milled features share critical datums or would otherwise require several transfers.

BEST-FIT GEOMETRY

Parts With Combined Features

Shafts, couplings, sleeves, bushings and valve components

Flats, slots or holes positioned around a turned diameter

Front, side and end features tied to a common datum

Parts that are difficult to re-clamp without losing alignment

PROJECT VALUE

Why Buyers Choose Turn-Mill

Fewer setups and less work-in-process movement

Better control of relationships between turned and milled features

A shorter and easier-to-manage production route

Repeatable processing for prototypes and recurring orders

Machining Scope

Turn-Mill Machining Capabilities

Our engineering team selects the route from the part geometry, material, tolerance, batch size and inspection requirements.

Outside and Inside Turning

Diameters, faces, shoulders, tapers, grooves and internal bores for rotational features.

Milled Features

Flats, keyways, pockets, slots and local profiles added to turned components.

Axial and Radial Holes

Drilled, bored, reamed or tapped features positioned from the relevant part datums.

Threads and Grooves

Internal or external threads, reliefs and grooves specified by the engineering drawing.

Multi-Face Features

Repeated or indexed features around the component when machine access allows.

Sekundäre Operationen

Deburring, cleaning, inspection and approved finishing are coordinated after machining.

Maximum size, achievable tolerance and process sequence are confirmed after reviewing the drawing, material, feature access and inspection plan.

Auswahl des Materials

Materials for Turn-Mill Custom Parts

Material behavior affects tool choice, heat control, burr formation and dimensional stability. Final availability is confirmed during quotation.

Aluminium

6061, 2024 and 7075 are common choices for lightweight housings, shafts and structural components.

Aluminum CNC machining

Rostfreier Stahl

303, 304, 316 and 17-4 PH cover machinability, corrosion resistance and higher-strength requirements.

CNC-Bearbeitung von Edelstahl

Kohlenstoffstahl und legierter Stahl

1045, 4140 and 8620 support shafts, couplings, gears and wear-related mechanical parts.

Steel CNC machining

Brass and Bronze

C360 brass and selected bronze grades suit fittings, bushings and low-friction components.

CNC-Bearbeitung von Messing

Titan

Grade 2 and Grade 5 are reviewed for strength, corrosion resistance and heat-sensitive machining behavior.

CNC-Bearbeitung von Titan

Technische Kunststoffe

POM, nylon, PTFE and PEEK require material-specific control of heat, clamping and deformation.

View CNC machining materials

Zeichnungsprüfung

DFM Guidance for Turn-Mill Parts

Clear drawings help engineering choose a stable datum strategy, practical tool access and an inspection method that matches the functional requirement.

DatumsIdentify the functional datum and relationships between turned and milled features.

Tool accessProvide clearance around deep slots, cross holes, internal features and small corner radii.

ThemenState the thread standard, size, class, depth and any runout or relief requirement.

EdgesMark critical edge breaks and areas where cross-hole burrs must be removed.

ToleranzenApply tight tolerances only to functional features and define the required inspection basis.

FertigstellungSpecify coating, heat treatment and protected dimensions before the process route is released.

Existing Project Examples

Turn-Mill Part Examples

These examples show how material behavior and feature access influence the machining route.

GLASS-FILLED PTFE

Multi-Diameter Component

The machining plan focuses on burr control, edge integrity and stable clamping while combining rotational and drilled features.

316 STAINLESS STEEL

Splined Coupling

Tool access, work-hardening control and the relationship between the bore, spline and outside diameter guide the process.

BRONZE

Threaded Spline Bushing

Sharp tooling, controlled feeds and in-process inspection help manage burrs and low-rigidity internal features.

Manufacturing Proof

Quality Control From Setup to Shipment

Process checks and final inspection are selected from the drawing requirements. Available resources include CMM, height measurement, vision inspection, hardness testing, micrometers, calipers and gauges.

ISO 9001Quality management

70+Machines and equipment

80+Teammitglieder

6,000+ m²Manufacturing facility

Weldo quality assurance and inspection center

Koordinatenmessmaschinen-Prüfung eines präzisionsgefertigten Bauteils

Anwendungen

Where Turn-Mill Parts Are Used

Turn-mill machining supports compact mechanical parts that combine rotational geometry with precise secondary features.

Luft- und Raumfahrt

Fittings, sleeves, shafts and lightweight components with multiple related features.

Medizinische Ausrüstung

Instrument components, connectors and small precision parts with controlled documentation.

Automobilindustrie

Drivetrain, fluid-system and test-system components for prototype or repeat production.

Industrielle Ausrüstung

Couplings, valve parts, bushings and motion-system components built from customer drawings.

Fragen zum Projekt

Turn-Mill Machining FAQ

Short answers to quotation and production questions not covered in the main service sections.

Do I need both a 3D model and a 2D drawing?

A 3D model defines geometry, while a 2D drawing communicates tolerances, datums, threads, finishes and inspection notes. Supplying both gives the clearest RFQ package.

How are mixed turned and milled features inspected?

The inspection method follows the drawing and datum scheme. CMM, height, vision, micrometer, caliper or gauge inspection may be used according to feature type.

Can heat treatment or surface finishing be included?

Yes. Approved heat treatment and surface finishing can be coordinated after reviewing the material, protected dimensions, tolerance impact and cosmetic requirements.

What usually drives turn-mill machining cost?

Material, stock size, feature access, tooling, cycle time, tolerance, inspection, quantity and finishing all affect price. A complete drawing package improves quotation accuracy.

When are separate turning and milling operations more economical?

Separate operations may suit simple parts, large components, low-access features or jobs that match available equipment better. Weldo selects the route after DFM review.

Beginnen Sie mit Ihrer Zeichnung

Review Your Turn-Mill Part With Weldo

Send the model, drawing, material, quantity and inspection requirements. Our engineering team will review the process route before quotation.

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