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CNC Lathe Machining Knoxville, TN

Ramp up production capacity with CNC Lathe Machining in Knoxville, TN, combining precise machining with efficient workflow for consistent output. Roberson Machine Company helps manufacturers mitigate downtime, scrap, and tooling delays using proven processes designed for repeatability. Contact us online or call 573-646-3996 to learn more about Knoxville, TN, CNC lathe machining and schedule a conversation with our team.

Learn more about:

  • How CNC lathes contribute to production-ready components
  • How turning and multi-axis machining function together in one workflow
  • Our Doosan Puma TT1800SY multi-turret, multi-spindle turning capability
  • Industries and applications depending on turned features at scale
  • Examples of real components produced in volume
  • How to launch a CNC turning or multi-axis machining project with our team

Roberson Machine Company offers machining technology, process experience, and production capacity that keep long-term runs with reliable quality and controlled unit cost.


Table of Contents

Check out our reviews, case studies, blog, and FAQs to see real machining outcomes and production details. For 20+ years, we’ve helped companies convert drawings into repeatable, production-ready parts using Knoxville, TN, CNC lathe machining and multi-axis machining.



The Importance of Lathe Machining in the CNC Production Process

CNC machining drives today’s manufacturing, and CNC lathes anchor the process by producing rotational components with consistent geometry and controlled surfaces. Once tools, offsets, feeds, and inspection steps are dialed in, CNC turning maintains the diameters, bores, threads, and sealing surfaces needed for downstream CNC milling and assembly.

With bar feeding, live tooling, and multi-spindle layouts, modern CNC lathes cut, drill, tap, and finish in one setup—reducing handoffs, minimizing variation, and keeping production on schedule.


Knoxville, TN, CNC Lathe Operations & Multi-Axis Machining

Turning and milling pair effectively in multi-axis machining. Turning sets accurate diameters, concentric relationships, and functional surfaces, while milling introduces pockets, flats, slots, and 3D features beyond what a spindle-driven machine can create alone. This workflow keeps features aligned, reduces secondary setups, and helps limit manufacturing downtime.

We lathe and cut metals, alloys, stainless steels, aluminum, titanium, and production-grade polymers. Using horizontal turning centers with bar feeders, live tooling, and multi-axis capability, we complete many parts in one setup while keeping accuracy steady from the first article through each release.

  • Hard turning: Optimized cutting paths that handle hardened steels and finishing work.
  • Long turning capacity: Turning length up to 48″ depending on the part’s geometry.
  • Live-tool capability: Drilling, tapping, and milling features completed in one setup.
  • Short, predictable lead times: Stable cycles and automated workflows keep production moving.

CNC lathe machining in Knoxville, TN, continues to be one of the most flexible CNC machining methods where accuracy, concentricity, and efficient production are critical.


Industries & Applications Supported by Knoxville, TN, CNC Lathe Machining

In medical, aerospace, automation, and high-throughput industrial environments, CNC lathe machining drives production. These industries depend on accurate diameters, bores, threads, and stable concentric features, with examples of volume-produced components below.

Across industries in Knoxville, TN, CNC lathe machining holds dimensional relationships, surface quality, and predictable unit cost from one run to the next. If you’re preparing new releases or expanding an existing product, our team can help review drawings, map the workflow, and define a clear path to production. See our team, reach out online, or call 573-646-3996 to discuss your next project.


Knoxville, TN, CNC Lathe Machining - Pumatt 1800sy - Roberson Machine Company


Doosan Puma TT1800SY: Multi-Turret, Multi-Spindle Lathe for High-Throughput Production

Roberson Machine Company has expanded its turning capacity with the Doosan Puma TT1800SY — a multi-turret, multi-spindle turning center built for fast, precise production. It consolidates roughing, finishing, drilling, tapping, and milling into one cycle to keep features aligned and limit extra handling.

Main–sub spindle transfer, parallel cutting, and bar-fed workflows give it an advantage on two-sided or multi-op parts that need accurate relationships across operations. The layout backs high-throughput machining while keeping cycle times predictable and steady.


Key Specifications & Capabilities

This spec set breaks down TT1800SY features that affect real production workflows, such as spindle speed and torque, bar capacity, travel envelopes, and the live-tooling and handoff systems that reduce setups and help maintain stable cycle times.

TT1800SY Technical Overview

Category Specification Value Why It Matters
Capacity Swing Over Bed 9.1″ Envelope for small to mid-sized turned components.
Recommended Turning Diameter 8.3″ Sweet spot for production work on this platform.
Max. Turning Diameter (Upper / Lower) 9.1″ / 9.1″ Handles symmetrical turning on both turrets.
Bar Working Diameter 2.6″ Supports steady bar-fed production for many shaft-style parts.
Axis Travels X-Axis Rapid Traverse 787 IPM Reduces non-cutting time between features.
Z-Axis Rapid Traverse 1,575 IPM Keeps cycle times down on longer parts.
X1 / X2 Travel 6.5″ / 7.5″ Room for twin-turret work on complex parts.
Y-Axis Travel 3.9″ Enables off-center milling and drilling operations.
Z1 / Z2 / A Travel 27.6″ / 28.4″ / 30.3″ Supports front- and back-working on longer components.
Spindles Main Spindle Speed 5,000 RPM Good balance of metal removal and finish capability.
Main Spindle Power / Torque 29 HP · 154 ft-lbs Supports heavy cuts while maintaining surface quality.
Sub Spindle 5,000 RPM · 29 HP Full-power back-working and accurate part handoff.
Turret & Live Tooling Tool Stations 12 stations per turret Plenty of room for turning, drilling, and milling tools.
Turret Index Time 0.15 sec Fast indexing keeps chips flowing.
Max Rotary Tool Speed 5,000 RPM (7.5 / 1.5 HP motor) Handles most drilling, tapping, and light milling work at the spindle.
Footprint L × W × H 154″ × 89″ × 82″ Compact floor space for a full twin-spindle, twin-turret lathe.
Machine Weight ≈ 19,400 lbs Mass and rigidity for stable cutting and better finishes.

This configuration achieves one-and-done machining for small to mid-sized components, sustaining concentricity, clean shoulder transitions, sealing surfaces, and multi-op geometry across all production runs.


Unlock CNC Lathe Production with Pumatt 1800sy Capabilities - CNC Lathe Machining in Knoxville, TN


What the Puma TT1800SY Unlocks for Knoxville, TN, CNC Lathe Machining & Production

In real workflows, the TT1800SY strengthens production by improving geometric control and removing setup transitions that often introduce cost and variation. Key advantages include:

  • Shorter part flow: Consolidates multiple setups into one uninterrupted cycle.
  • Cleaner feature relationships: Keeps diameters, bores, and milled geometry centered on one consistent centerline.
  • Better performance on two-sided parts: Accurate spindle handoff reduces variation on mirrored and back-worked features.
  • Fewer fixtures and handling steps: Decreases stack-up error and minimizes dimensional drift risks.
  • More predictable scheduling: Stable cycle times simplify release forecasting and tooling-life planning.
  • Efficient volume scaling: Bar-fed throughput and balanced cutting keep consistency high in long production runs.

Whether you’re producing shafts, bushings, housings, sleeves, couplings, or multi-op turned/milled components, the Puma TT1800SY supports rapid moves from prototype to production with reliable, repeatable output, reinforcing its role in Knoxville, TN, CNC lathe machining.

Looking to validate a part on the new system? Reach out online or call 573-646-3996 to learn how the Puma TT1800SY can strengthen your workflow and help reduce production delays.


Pumatt 1800SY CNC Lathe Machining - Knoxville, TN, Precision Lathe CNC Machining


Frequently Asked Questions

If you’re planning CNC lathe workflows, the important questions are usually about part fit, lead time, and how turning integrates with the rest of your build. These FAQs cover the details that matter when moving from prototypes or one-off runs into production-grade CNC lathe machining in Knoxville, TN.

What types of parts are a good fit for CNC lathe machining in Knoxville, TN?

CNC lathes excel when parts are rotationally symmetric and depend on consistent diameters and concentricity. Typical candidates include:

  • Shafts, pins, and bushings
  • Housings, sleeves, and couplings
  • Valve bodies and manifolds with critical sealing surfaces
  • Rollers and cylindrical tooling for automation and packaging
  • Turned parts that also need milled flats, slots, or drilled features

When parts repeat in volume and need reliable diameters, shoulders, and threads, CNC lathe machining usually anchors the entire process.

How does a multi-turret, multi-spindle lathe change production compared to a standard lathe?

Using multi-turret, multi-spindle equipment lets us consolidate more operations into one cycle instead of distributing them across different machines. That means:

  • Front- and back-working (two-sided parts) completed in one continuous process
  • Roughing and finishing handled in parallel rather than in separate runs
  • Fewer fixtures and handling steps, which lowers stack-up error
  • More stable cycle times as volumes increase

For parts that would otherwise need several transitions between machines, the Puma TT1800SY delivers a true one-and-done workflow.

What do you need to quote a CNC lathe machining project?

Clear engineering intent produces stronger quotes and more predictable production. Helpful inputs include:

  • Current drawings with tolerances and any critical feature callouts
  • Material and finish requirements
  • Target quantities (per release and annual volume)
  • Expected delivery cadence or release schedule
  • Any inspection, documentation, or packaging requirements

If certain details are still unsettled, we can use provisional prints and refine the package before production pricing is set.

What tends to drive cost on CNC lathe machined parts in Knoxville, TN?

Piece price for turned parts often ties back to setup effort, cycle time, and material. Common cost drivers include:

  • Complex workholding or multiple setups that could be consolidated
  • Very tight tolerances or surface finish requirements on multiple features
  • Challenging materials (hard alloys, difficult chip control, or long overhangs)
  • Heavy interruption from milling, cross-holes, or deep drilling operations
  • Small lot sizes that repeat tooling and setup time too often

Talking early about tolerances, materials, and functional requirements often exposes opportunities to keep cost and lead time reasonable.

How do you maintain repeatability across large lots and repeat releases?

Repeatability comes from locking the process, not only the first run. Typical controls include:

  • Standardized fixturing and workholding for the entire workflow
  • Documented tool lists, offsets, and tool life management
  • In-process checks on critical diameters, bores, and threads
  • Final inspection routines tied to print requirements
  • Lot records that tie parts, dates, and inspection data together

Once a lathe workflow proves out, those controls keep the part consistent from first article through every subsequent release.

When should Knoxville, TN, CNC lathe work be combined with milling or other processes?

Many components see the best outcome when turning covers the core geometry and other processes supply the additional features. That often looks like:

  • Lathe operations setting diameters, shoulders, and critical bores
  • Live-tool work or downstream milling adding flats, keyways, pockets, or patterns
  • Secondary processes (EDM, grinding, or honing) reserved for features that truly need them

Going through the full print and functional requirements early helps identify what should live on the lathe and what fits better in another process.

Why Choose Us for Knoxville, TN, CNC Lathe Machining?

Roberson Machine Company offers the process control, equipment, and production experience needed to achieve reliable, repeatable CNC lathe machining in Knoxville, TN. We back long-term production schedules with stable workflows and tooling strategies that help keep releases on schedule.

  • Turning processes built to maintain the diameters, bores, threads, and sealing features essential to your assemblies
  • Quick, one-setup machining with bar feeding, live tooling, and multi-spindle capability
  • Consistent dimensions from the first article through repeat releases
  • Material flexibility spanning stainless, aluminum, alloys, titanium, and production-grade polymers
  • Workflows optimized to reduce scrap, tooling delays, and downstream variation for stable scheduling

Our core services include:

Roberson Machine Company works with clients on new releases, scaled production, and long-running CNC lathe machining workflows. Visit our team and capabilities, request a quote online, or call 573-646-3996 to discuss the benefits and opportunities tied to Knoxville, TN, CNC Lathe Machining.

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