: For accuracy, the lathe bed must be perfectly level both longitudinally and crosswise to prevent twisting. : Always ensure the
Keighley's iron and steel industry was once a powerhouse of British manufacturing. The town's foundries produced everything from spinning machinery to looms, and by the 1870s, it had "nearly monopolised the trade of making worsted spinning machinery," playing a crucial role in the region's industrial identity. It was within this thriving environment that D. Mitchell & Co. established itself as a key machine tool maker.
: Machining metric pitches requires calculated transposing change gears (typically 127-tooth or 63-tooth wheels) to convert the leadscrew ratio. Machinists note that Mitchell's original feed plates feature a highly comprehensive mix of standard, fractional, and diametrical pitches. Work Holding and Support
The company's history also includes several partnerships, one of which was with the Whitaker family. A partnership, "Mitchell and Whitaker," operated as machine-tool makers at Lawkholme-in-Keighley before it was dissolved in 1892. Later, in 1896, another partnership, "Mitchell and Holmes," was dissolved. mitchell of keighley lathe work
The firm's reputation was built on engineering excellence and durability. According to historical records on Grace's Guide , the company was well-regarded for its role in the , proving its standing within the local industrial community during significant periods, including the war years. The machines they produced were designed for longevity, often surviving in active service for decades.
Mitchell lathes are celebrated for their massive, high-quality cast-iron beds and robust headstocks. Unlike modern light-duty imports, these machines were designed for heavy metal removal.
Mitchell lathes typically feature a "Vee and flat" bed configuration (two vees and two flats). This design ensures that the carriage remains true under extreme torsional load. When performing , professionals note that you can take a ¼-inch depth of cut (0.250") in mild steel without chatter—a feat that would snap a toolpost on a lighter machine. : For accuracy, the lathe bed must be
In , the company significantly expanded by taking over the famous Darling & Sellers Ltd. factory on Lawkholme Lane. This merger allowed Mitchell to double its staff and step up production of its popular inch and
Although public archival records about a specific “Mitchell of Keighley” vary in detail, firms bearing similar names commonly provided:
Because Mitchell produced several models over decades, you must identify your specific series to find accurate parts lists and diagrams. Model Identification : Common models include the (8.5-inch center height), (10.5-inch), and the WM85 Series Manual Sources It was within this thriving environment that D
. While the original manufacturer is no longer in business, these machines remain popular in workshops for their reliability and large spindle bores. 1. Getting the Right Manual
Ensure the half-nut mechanism engages cleanly with the robust leadscrew.
is removed before starting the motor. Use a brush or pliers—never your hands—to clear metal chips/swarf. Sun City West Metal Club or help identifying a particular part on your machine? Mitchell of Keighley lathe | Practical Machinist