Blohm Profimat 412

$400,000 - $600,000 Updated 2026-03-16

Key Specifications

Table Size

400 x 1,200 mm (15.7 x 47.2 in)

table longitudinal travel

1,300 mm (51.2 in)

table cross travel

450 mm (17.7 in)

vertical travel

500 mm (19.7 in)

max workpiece height

300 mm (11.8 in)

max workpiece weight

500 kg (1,100 lb)

Overview

The Blohm Profimat 412 is a CNC surface and profile grinding machine built for long-component grinding, with a 400 x 1,200 mm working table that accommodates aerospace structural parts, long broaches, turbine blade sets, and extended die sections that exceed the capacity of standard surface grinders. As part of Blohm's Profimat series — the flagship CNC surface grinding line from United Grinding — the 412 shares the same high-performance architecture as the 408 but with 50% more longitudinal table travel.

The machine's core grinding capability rests on a 22 kW spindle delivering up to 80 m/s peripheral wheel speed, enabling both conventional abrasive and CBN superabrasive applications. Hydrostatic guideways on the X (cross) and Z (longitudinal) axes provide frictionless, stick-slip-free motion that translates directly into consistent profile accuracy across the full 1,200 mm table length — a critical requirement when grinding long workpieces where positional deviation at the far end of travel directly impacts part conformance.

Blohm designed the Profimat 412 to support both creep-feed and high-speed pendulum grinding modes. Creep-feed mode handles deep profile grinding of superalloys and hardened steel in single or few passes; pendulum mode enables rapid material removal and finishing of flat surfaces. The Siemens 840D sl control with Blohm's OP 15 graphical interface simplifies cycle programming for complex contoured profiles, with integrated dressing cycles for wheel forming and automatic tool compensation after dressing.

Pricing for a new Profimat 412 typically ranges from $400,000 to $600,000 depending on options and automation. The extended table adds meaningful cost over the 408. Competitive alternatives include the Mägerle MFP 100 for long-part profile grinding, and the Okamoto ACC-1632DX for simpler surface grinding applications at a significantly lower price point.

Full Specifications

Parameter	Value
Table Size	400 x 1,200 mm (15.7 x 47.2 in)
Table Longitudinal Travel	1,300 mm (51.2 in)
Table Cross Travel	450 mm (17.7 in)
Vertical Travel	500 mm (19.7 in)
Max Workpiece Height	300 mm (11.8 in)
Max Workpiece Weight	500 kg (1,100 lb)
Grinding Spindle Power	22 kW (29.5 HP)
Max Wheel Peripheral Speed	80 m/s
Max Grinding Wheel Diameter	400 mm (15.7 in)
Max Grinding Wheel Width	100 mm (3.9 in)
Table Speed Creep Feed	0.01 – 6,000 mm/min
Table Speed Pendulum	Up to 40,000 mm/min
Guideway System	Hydrostatic X and Z axes
Machine Base	Polymer concrete (Granitan-type)
CNC Control	Siemens 840D sl with Blohm OP 15 interface
Euroeur	Malaysian RinggitMYR
1eur	4.62234MYR
5eur	23.1117MYR
10eur	46.2234MYR
25eur	115.558MYR
50eur	231.117MYR
100eur	462.234MYR
500eur	2,311.17MYR
1000eur	4,622.34MYR
5000eur	23,111.7MYR
10000eur	46,223.4MYR
Malaysian Ringgitmyr	EuroEUR
1myr	0.216341EUR
5myr	1.0817EUR
10myr	2.16341EUR
25myr	5.40852EUR
50myr	10.817EUR
100myr	21.6341EUR
500myr	108.17EUR
1000myr	216.341EUR
5000myr	1,081.7EUR
10000myr	2,163.41EUR
Provider	Nationwide
Recipient Getssending 2000000 Gbp	26,428.00 USD+313.60 USDSend now
Exchange Rate	1.306700
Transfer Fee	15.00 GBP
Metric	Last 7 days
High	4.5918
Low	4.5095
Average	4.5604
Volatility	0.50%
Recipient Gets	26,114.39 USD-313.60 USD

Strengths & Limitations

Strengths

1,200 mm table length covers long workpieces — turbine blade arrays, long broaches, aerospace structural members — that exceed the capacity of the 408 and most competitors
22 kW spindle with 80 m/s maximum wheel speed supports CBN and vitrified superabrasive wheels for aerospace superalloy and hardened tool steel grinding
Hydrostatic guideways maintain frictionless, consistent feed accuracy across the full 1,300 mm longitudinal travel, critical for profile conformance on long parts
Dual-mode capability — creep-feed for deep profiling and high-speed pendulum for surface finishing — eliminates the need for two separate grinding machines

Limitations

The 400 mm table width remains unchanged from the shorter 408 model — cross-travel is the limiting dimension for wide workpieces regardless of the longer table
At $400,000–$600,000 new, the Profimat 412 is positioned at the upper tier of production surface grinders — the investment is justified for aerospace and precision tooling work, not general surface grinding
Long-table configuration increases machine footprint significantly; shops with constrained floor space should verify clearances for the full travel envelope and automation peripherals

Best For

Aerospace prime contractors and Tier 1 suppliers grinding long titanium and Inconel structural components, wing spars, and extended turbine section parts Broach manufacturers requiring full-length profile grinding of long pull and push broaches with consistent tooth form across the entire length Die and mold producers working with long progressive die sections and extended form-grinding blanks that require high-accuracy profile along 1,000+ mm spans Precision tooling job shops that regularly work with workpieces in the 800–1,100 mm length range where the 408's table is a constraining factor

Frequently Asked Questions

01 How does the Profimat 412 differ from the Profimat 408?

The sole structural difference is the table and longitudinal travel: the 412 has a 400 x 1,200 mm table with 1,300 mm of longitudinal stroke versus the 408's 400 x 800 mm table with 900 mm stroke. Both machines use the same 22 kW spindle, 80 m/s wheel speed, hydrostatic guideway system, polymer concrete bed, and Siemens 840D sl control. Choose the 412 if your workpieces regularly approach or exceed 700 mm in length.

02 What is the maximum workpiece weight the Profimat 412 can handle?

The Profimat 412 is rated for workpieces up to 500 kg (1,100 lb), reflecting the extended table's ability to support heavier fixturing and stacked workpiece arrays. This is the total weight including magnetic chuck or fixture, coolant, and the workpiece itself. For aerospace structural parts and large die sections, this generous weight capacity is an important advantage over lighter-duty surface grinders.

03 Does the Profimat 412 support in-process gauging?

Yes. The Profimat 412 can be configured with Marposs or Renishaw in-process gauging systems that measure workpiece dimensions during grinding and feed correction signals back to the CNC for automatic size compensation. This enables closed-loop size control without operator intervention — critical for unattended production runs and aerospace part certification requirements.

04 What wheel types does the Profimat 412 support?

The 80 m/s spindle speed capability supports the full range of grinding wheels: conventional vitrified aluminum oxide and silicon carbide wheels, as well as superabrasive CBN and diamond wheels in both electroplated and vitrified bond systems. The choice of wheel depends on the workpiece material: CBN for hardened steels and aerospace alloys, conventional abrasives for carbide and softer materials. Blohm application engineers typically recommend the optimal wheel specification for each application.

05 Can the Profimat 412 be integrated with automation?

Yes. Blohm designs the Profimat series for automation integration, with PROFIBUS and PROFINET interfaces for robot loading, pallet transfer systems, and gantry loaders. United Grinding's automation group can supply integrated loading solutions. For high-volume aerospace component grinding, automation is common — the machine's consistent cycle times and in-process gauging make it well-suited for lights-out operation once a stable process is established.