CNC horizontal boring mill

Toshiba BTH-110R 18

Manufacturer specifications, what it is built to do, the years we have seen them listed, what tooling fits, and what to check on one. MTE also buys them outright.

4.3 in (110 mm)Spindle diameter
100 in (2,500 mm)X-axis travel
20 in (500 mm)W-axis travel
22,000 lb (10,000 kg)Max table load

What the Toshiba BTH-110R 18 is

The Toshiba BTH-110R 18 is a CNC horizontal boring mill — a machine for boring, milling and drilling large, heavy workpieces — a quill or spindle feeding out on the W axis over a rotary table that carries tons. The manufacturer publishes a spindle diameter of 4.3 in (110 mm). This one is specified with a W axis: the quill or spindle feeds out independently of the column.

What it is built to do

From the figures the manufacturer publishes, a Toshiba BTH-110R 18 suits:

  • boring 20 in (500 mm) deep on the quill without moving the column
  • workpieces up to the published 22,000 lb (10,000 kg), which on a machine this size is usually the binding constraint rather than the travels
  • bars and heads sized to a 4.3 in (110 mm) spindle

A note on the name. Toshiba Machine Co. renamed itself Shibaura Machine Co. on 1 April 2020, so the manufacturer’s own specification for this machine is published under Shibaura Machine even though the machine, the nameplate and the way everyone in the trade refers to it all still say Toshiba.

Toshiba BTH-110R 18 specifications

Manufacturer specification. Every figure below was read from the manufacturer’s own published specification for this machine and checked back against that document word for word.

These are the manufacturer’s figures for this model as currently published. A machine built years ago may differ in control generation and in options, which is exactly why the questions below matter when you sell one.

Spindle diameterSpindle Dia. inch(mm)
4.3 in (110 mm)
X-axis travelX Stroke inch(mm)
100 in (2,500 mm)
Y-axis travelY Stroke inch(mm)
80 in (2,000 mm)
Z-axis travelZ Stroke inch(mm)
60 in (1,500 mm)
W-axis travelW Stroke inch(mm)
20 in (500 mm)
Table sizeTABLE size inch(mm) width x length
55 x 71 in (1,400 x 1,800 mm)
Max table loadMax. load lbs (kg)
22,000 lb (10,000 kg)
Max spindle speedSpindle (rpm)
4,000 rpm
Tool capacityATC Tool Pod
60 tools
Control
FANUC 31i-B Plus

Further specifications the manufacturer publishes

High-speed Spindle (6 ~ 4000 RPM)
AC 60/50 HP, 6 ~ 4,000 rpm (OPTIONAL head)
Upgrade to 5" (130 mm) Spindle Head (Optional)
5.1 in (130 mm) spindle head, AC 60/50 HP, 5 ~ 4,000 rpm (OPTIONAL)

Source: manufacturer specification page.

What fits a Toshiba BTH-110R 18

Each of these follows from a published specification above, which is named beside it.

Boring bars and tooling

The spindle figure opposite sets the boring-bar class this machine works with, and it is the number a buyer of a boring mill asks for first. Bars, facing heads and angle heads are separate assets and are counted separately.

Derived from — Spindle diameter: 4.3 in (110 mm)

What years the Toshiba BTH-110R 18 was built

The 2 units we have seen listed were all 2008. Observed across 25 marketplaces, not a manufacturer build record. The manufacturer specifies FANUC 31i-B Plus, so a unit on an older control is an early one or a retrofit.

Toshiba BTH-110R 18 machines on the market now

2units listed
1marketplace

We track listings across 25 used-machinery marketplaces, and every competitor in this market is one of them, so this is a view none of them can produce for themselves. Right now there are 2 units of this exact designation on the market, drawn from 1 source. That is a thin market for this designation, which usually works in a seller’s favor.

We count only listings whose model is spelled as this machine’s own designation. Near spellings that may be a different variant are excluded rather than counted, so this is a floor on what is out there, not a total.

What to check on a Toshiba BTH-110R 18

The same list whichever side of the deal you are on.

  • Control generation. The manufacturer specifies FANUC 31i-B Plus for this model. The control is often the single biggest swing on two otherwise identical machines, because it decides which buyers can use it at all.
  • Spindle hours and condition. Most controls show run hours on a maintenance or diagnostics screen. It is the first number anyone asks for, so find it before the conversation rather than during it.
  • Tooling and accessories. Holders, chucks, steady rests, probing and automation attachments travel with the machine, and they are worth real money separately from it.
  • Quill and spindle wear. On a boring mill this is the machine — measure runout at full quill extension, not retracted.
  • Table rotation and indexing accuracy, and whether the table load rating has been respected.
  • Foundation and how it comes out. A machine of this class is a rigging job, and access is part of the number.
  • Power and rigging access. How the machine comes out of the building is a real cost, and it is one MTE absorbs, so an accessible machine is worth more to us.

Machines buyers cross-shop with the Toshiba BTH-110R 18

Other CNC horizontal boring mills in this directory, closest first on spindle diameter.

Toshiba BTD-110H.R16

Spindle diameter
4.3 in (110 mm)
X-axis travel
78.7 in (2,000 mm)
W-axis travel
19.7 in (500 mm)
Max table load
13,860 lb (6,300 kg)

Toshiba BTD-130H.R22

Spindle diameter
5.1 in (130 mm)
X-axis travel
118 in (3,000 mm)
W-axis travel
27.5 in (700 mm)
Max table load
26,400 lb (12,000 kg)

Toshiba BTH-130

Spindle diameter
5.1 in (130 mm)

The rest of the CNC horizontal boring mills in this directory: Toshiba BF 130B · Toshiba BP-150.R22 · Toshiba BTD 200QH

Browse the whole CNC Horizontal Boring Mills catalog, or see everything we buy from Toshiba.

Have a Toshiba BTH-110R 18 to sell?

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