Johnford spindle and motor spindle repair
Brochexpress is an independent workshop specialising in the repair, maintenance and diagnostics of Johnford (Roundtop Machinery) spindles and motor spindles — a Taiwanese manufacturer since 1979, specialising in slant-bed lathes, vertical lathes and double-column machining centres.
Johnford (Roundtop Machinery), a Taiwanese manufacturer since 1979
TLDR: Johnford, a brand of Roundtop Machinery Industries (Taiwan, founded 1979/1984), covers a broad range of made-to-order machine tools: twin-spindle/twin-turret slant-bed lathes, vertical lathes up to Ø6,000 mm, horizontal boring mills, bridge-type milling machines and double-column machining centres.
Founded in 1979 (Roundtop Machinery Industries, listed on the Taiwan stock exchange since 2001), the Johnford brand has offered vertical CNC lathes, horizontal machining centres, double-column machining centres, CNC flat-bed lathes and CNC forming and threading machines since 1992. The range covers slant-bed lathes (SL and HT series) with varied accessories (sub-spindles, live tooling turrets, steady rests), vertical lathes from Ø600 to Ø6,000 mm that can include a hydrostatic rotary table, as well as double-column machining centres whose X-axis travel ranges from 900 to 8,000 mm depending on the model. Johnford serves demanding sectors such as automotive, aerospace and general manufacturing.
A range of robust spindles, from the twin-spindle lathe to the double-column centre
TLDR: Johnford HT series lathes use twin spindles and twin turrets for high-efficiency cutting, with a 25 hp spindle motor and a two-range gearbox on SL series slant-bed lathes, while vertical centres offer BT-40 spindles up to 8,000 rpm.
Johnford SL series slant-bed lathes, in Meehanite cast iron, make full use of a 25 hp spindle motor combined with a two-range gearbox, with a torque tube running through the 45° slant bed for extreme rigidity and excellent heat dissipation. On the HT series, twin spindles and twin turrets allow high-efficiency, high-productivity cutting, with a sub-spindle or secondary spindle available as an option and a free 360° B axis for tapping and angular drilling on certain models. Johnford vertical machining centres (JET series) use BT-40 taper spindles, typically running at 8,000 rpm, with X-axis travels from 850 to 3,000 mm. Vertical lathes, for their part, can be fitted with a hydrostatic rotary table on the heaviest configurations.
Johnford spindles covered (non-exhaustive list)
- Spindles and sub-spindles of twin-spindle/twin-turret slant-bed lathes, HT series
- Two-range gearbox spindles, SL series slant-bed lathes
- BT-40 spindles, JET series vertical machining centres, up to 8,000 rpm
- Spindles of vertical lathes (Ø600 to Ø6,000 mm) with hydrostatic rotary table
- Spindles of double-column machining centres, boring mills and bridge-type milling machines
Interfaces and specifications
The Johnford spindles and motor spindles we repair mainly use a BT-40 interface on vertical machining centres, with rotation speeds typically around 8,000 rpm, and twin-spindle/twin-turret configurations with a two-range gearbox on slant-bed lathes.
Our expertise on your Johnford spindles and motor spindles
TLDR: Brochexpress works across the entire life cycle of your Johnford spindles, with the same rigour as for the other brands in our portfolio.
On-site customer service
- Diagnostics and service directly on your machine, in your production workshop, to limit downtime on your manufacturing line
Full diagnostics
- Inspection of clearances, balancing, bearing condition, sealing and synchronisation between main spindle and sub-spindle, with a detailed technical report
Preventive and corrective maintenance
- Maintenance programme tailored to the production rates of the automotive and aerospace sectors, together with corrective action in the event of a breakdown
Overhaul and refurbishment
- Grinding, bearing replacement, sealing refurbishment and rotation testing in the workshop, restoring the manufacturer's original tolerances
Why choose Brochexpress for your Johnford spindles and motor spindles
- An independent workshop, with no capital ties to manufacturers, guaranteeing an objective diagnosis
- Expertise in twin-spindle/twin-turret configurations and hydrostatic rotary tables
- Two service sites: Beaurepaire (France) and Lussery-Villars (Switzerland)
- Support from the first intervention through to return to production
Turnaround and warranty
- On-site service within 48h
- Workshop repair: around 20 working days depending on parts availability
- 12-month warranty on all our repairs
Frequently asked questions
Do you repair the spindles and sub-spindles of HT series twin-spindle slant-bed lathes?
Yes, we work on these spindles, taking care to preserve their synchronisation.
Do you work on the BT-40 spindles of JET series vertical machining centres?
Yes, we diagnose and repair these spindles, whatever the configured rotation speed.
What is the average lead time for a full overhaul?
Allow around 20 working days in the workshop, depending on the condition of the spindle and the availability of parts (bearings, seals, specific components).
Do you work on the spindles of vertical lathes with a hydrostatic rotary table?
Yes, we diagnose and repair these spindles, sized for machining massive parts.
Do you offer a preventive maintenance contract for a fleet of Johnford machines?
Yes, we draw up preventive maintenance programmes tailored to your production pace.
A reliable partner for your industrial performance
Whether it is an emergency on-site intervention, a full workshop overhaul or a preventive maintenance programme, Brochexpress brings its expertise to your production. As an independent workshop, we work across all Johnford spindles and motor spindles — slant-bed lathes, vertical lathes and double-column machining centres — with the responsiveness and rigour demanded by the most exacting industrial environments.
Our teams are at your disposal from our sites in Beaurepaire (France) and Lussery-Villars (Switzerland) for a study of your needs, a diagnosis or a personalised quotation.
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Johnford® is a registered trademark of Roundtop Machinery Industries Co., Ltd. Brochexpress is neither affiliated with, nor a partner of, nor an authorised distributor of Roundtop Machinery Industries Co., Ltd. Our business covers independent repair and maintenance of industrial equipment, permitted under the principle of referential trademark use (EU Trademark Directive 2015/2436 / French Intellectual Property Code, art. L.713-6).