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Machine Tool Manufacturing

NAICS 333517 · Machinery Manufacturing6 · SBA size standard: 500 employees

Machine tool manufacturers design, build and service custom and standard CNC mills, lathes, grinders and presses. For a shop that takes orders for both one-off tooling fixtures and repeat production machines, the specialists turn customer specs into engineering drawings and BOMs, drawings into machine schedules and material orders, schedules into shop-floor work packets with inspections, and completed machines into test reports, shipping crates and spare-parts kits. Tooling drawings, material certifications and safety standards stay with the lead machinist and engineer.

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What makes this business different

  • Custom machine specifications with tight tolerances, materials and performance requirements that must be captured exactly
  • Long lead times for castings, motors, ball screws and imported components with supplier certifications
  • Job-shop scheduling across multiple CNC machines, manual stations and assembly bays with overlapping projects
  • In-process and final inspections, geometric dimensioning, calibration records and traceability paperwork
  • Material test reports, weld certifications, paint and coating logs and safety standard checklists
  • Preventive maintenance on CNC equipment, coolant systems and metrology tools
  • Repeat OEM customers who reorder spare parts, fixtures and retrofits on a seasonal or annual cadence
  • Crating, rigging and freight arrangements for machines that weigh several tons

Specialist bots

  • a machinist at a desk reviewing large rolled engineering drawings spread across a table next to a computer monitor showing a 3D model

    Specification Intake Specialist

    Convert every customer RFQ, drawing set and purchase order into a clean, complete project folder ready for engineering.

    Works in: Ambitious Tasks, Ambitious Docs, Contract Analyzer · Workflows: Order and specification intake

    Automates

    • Reads incoming RFQs, emails and drawing files
    • Extracts tolerances, materials and performance requirements into a structured spec sheet
    • Flags missing information and drafts clarification questions
    • Creates the job folder and links all customer files
    • Drafts the order acknowledgment

    Stops for a person

    • The lead engineer approves any deviations from standard offerings
    • A person sends all customer communications and handles deposit collection
  • a technician seated at a CAD workstation with dual monitors displaying a complex machine assembly drawing and a bill of materials spreadsheet

    Drawing and BOM Engineer

    Produce manufacturing drawings, GD&T, BOMs and work instructions from customer specifications.

    Works in: Ambitious Docs, Ambitious Sheets, Process Optimizer · Workflows: Engineering and drawing release

    Automates

    • Generates detailed drawings and tolerance stack-ups
    • Builds the complete BOM with part numbers and suppliers
    • Adds in-house tooling callouts and inspection points
    • Creates step-by-step work instructions for critical operations
    • Manages drawing revisions and release to production

    Stops for a person

    • The lead engineer reviews and stamps all critical drawings
    • Any engineering change after release must be approved by the owner
  • a worker in a warehouse aisle comparing steel bar stock against a printed material list and a digital tablet

    Materials and Purchasing Coordinator

    Turn the BOM into accurate purchase requisitions while tracking long-lead items and certifications.

    Works in: Ambitious Sheets, Ambitious Tasks, Ambitious Docs · Workflows: Material and component purchasing

    Automates

    • Explodes BOMs into raw materials and purchased components
    • Subtracts on-hand inventory and open orders
    • Drafts purchase lists grouped by supplier
    • Tracks material certifications and test reports
    • Updates the master schedule with arrival dates

    Stops for a person

    • The owner approves and places all purchases
    • Substitutions or alternate suppliers are confirmed by the lead machinist
  • a supervisor standing at a large wall-mounted scheduling board with magnetic cards for each CNC machine and job

    Shop Scheduler and Dispatcher

    Maintain the master schedule across all machines and bays and issue daily work packets.

    Works in: Ambitious Tasks, Ambitious Sheets · Workflows: Machine shop scheduling and dispatching

    Automates

    • Loads jobs into the multi-machine schedule
    • Balances setup and run times
    • Generates daily work packets with drawings and inspection sheets
    • Flags outside processing needs
    • Adjusts the schedule when machines report downtime

    Stops for a person

    • The shop supervisor reviews and adjusts the daily dispatch list
    • Operators confirm job completion times
  • a technician using a portable CMM arm to measure features on a large machined casting mounted on a shop floor

    Quality Inspection Coordinator

    Create inspection checklists, record measurements and compile full traceability packets for each machine.

    Works in: Ambitious Tasks, Ambitious Docs, Ambitious Sheets · Workflows: In-process and final inspection

    Automates

    • Builds dimension-specific inspection checklists from drawings
    • Logs CMM and manual measurements
    • Flags out-of-tolerance conditions for review
    • Compiles material certs and inspection reports
    • Prepares the final quality packet for shipment

    Stops for a person

    • The lead machinist or engineer reviews all failed dimensions and concessions
    • A person performs final visual and functional checks before release
  • a mechanic performing lubrication on the ways of a large CNC lathe with an oil can and a maintenance checklist on a nearby cart

    Maintenance and Calibration Planner

    Schedule and track preventive maintenance and calibration for all shop equipment and metrology tools.

    Works in: Ambitious Tasks, Ambitious Sheets, Process Optimizer · Workflows: Equipment maintenance and calibration

    Automates

    • Generates recurring maintenance tasks by machine hours
    • Tracks lubrication, coolant and filter schedules
    • Schedules annual calibration events
    • Logs completed work and parts replaced
    • Notifies the scheduler when a machine is unavailable

    Stops for a person

    • Technicians perform the actual maintenance and sign off
    • The owner reviews calibration certificates before they are filed
  • a worker bolting wooden crating panels around a completed CNC milling machine on the shop floor next to a forklift

    Shipping and Documentation Coordinator

    Prepare crating specifications, compile final documentation and coordinate freight for finished machines.

    Works in: Ambitious Tasks, Ambitious Docs, Contract Analyzer · Workflows: Crating, shipping and spare parts

    Automates

    • Generates crate and rigging instructions based on machine weight
    • Compiles all test reports, manuals and certifications
    • Drafts bills of lading and commercial invoices
    • Creates spare parts kits and packing lists
    • Tracks shipment status until customer confirmation

    Stops for a person

    • The owner approves all shipping documents and freight carriers
    • A certified rigger or driver handles actual loading and transport

Workflows

Order and specification intake

Starts when: A customer submits an RFQ, drawing package or purchase order

  1. Extract all dimensional tolerances, material grades, performance criteria and finish requirements
  2. Check the order against current machine capacity and standard options
  3. Draft a clarification list for any missing or conflicting specifications
  4. Create a project folder with the full customer drawing set and specifications
  5. Record deposit status and send an order acknowledgment draft

Watch for: Tolerances must be captured exactly as stated and never rounded; Any deviation from the customer's print requires written approval before release to the floor

Engineering and drawing release

Starts when: Order acknowledgment and after any clarifications are resolved

  1. Generate detailed manufacturing drawings, assembly views and BOM from the customer specification
  2. Add in-house tooling, fixture and inspection points to the drawings
  3. Run a tolerance stack-up analysis and flag any critical dimensions
  4. Release a checked drawing package to production control
  5. Create work instructions for key machining and assembly steps

Watch for: All critical dimensions and GD&T must be reviewed by the lead engineer; Changes after release require formal revision control

Material and component purchasing

Starts when: Engineering release and weekly

  1. Explode the BOM into raw stock, castings, motors, bearings and fasteners
  2. Subtract current inventory and open purchase orders
  3. Draft purchase requisitions by supplier with required certifications
  4. Track long-lead items and update the master schedule
  5. Log incoming material test reports and certificates of conformance

Watch for: Specialty alloys and precision components often have long lead times; Material traceability numbers must be recorded for each job

Machine shop scheduling and dispatching

Starts when: Weekly and when new jobs are released

  1. Load all open jobs into the master schedule across mills, lathes, grinders and assembly
  2. Balance setups, run times and operator availability
  3. Generate daily work packets with drawings, tooling lists and inspection sheets
  4. Flag jobs that require outside services such as heat treat or anodizing
  5. Update schedule when a machine goes down or a job finishes early

Watch for: Setup time on large mills can exceed run time; Certain jobs must run on specific machines due to size or tolerance

In-process and final inspection

Starts when: At each operation and at machine completion

  1. Create inspection checklists keyed to the critical dimensions on the drawing
  2. Record first-article, in-process and final measurements from CMM and hand tools
  3. Flag any out-of-tolerance conditions and trigger rework or concession requests
  4. Compile full inspection report and material certifications for the job folder
  5. Release the machine for painting, crating or shipment

Watch for: CMM programs must be saved and linked to each part number; All inspection data must be traceable to the serial number of the machine

Equipment maintenance and calibration

Starts when: On scheduled intervals and after each 500 hours of use

  1. Generate preventive maintenance tasks for each CNC machine, forklift and metrology device
  2. Track coolant changes, ball-screw lubrication and filter replacements
  3. Schedule annual calibration of scales, probes and laser trackers
  4. Log all maintenance performed and parts used
  5. Flag any machine that is out of service for the scheduler

Watch for: Some customers require proof of machine calibration before accepting parts; Maintenance records must be kept for the life of the equipment

Crating, shipping and spare parts

Starts when: After final inspection and customer payment

  1. Generate crate and rigging specifications based on machine size and weight
  2. Compile final documentation packet including inspection reports and manuals
  3. Draft shipping labels, bills of lading and export papers if needed
  4. Create spare parts kits and associated BOMs for the customer
  5. Track delivery confirmation and schedule any installation support

Watch for: Machines over several tons require certified rigging plans; International shipments need specific commercial invoices and certificates

Bot templates for this industry

Source: U.S. Small Business Administration, Office of Size Standards, Table of Small Business Size Standards Matched to North American Industry Classification System Codes, version March 2023 (effective 2023-03-17, NAICS 2022). Size standards are shown for reference only.