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Sacma Limbiate S.p.A.

Viale dei Mille 126/128, 20812 Limbiate (MB)
Italy
Telephone +39 02 994521
Fax +39 02 99050185
com@sacmalimbiate.it

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Hall map

wire 2022 hall map (Hall 13): stand C61

Fairground map

wire 2022 fairground map: Hall 13

Our range of products

Product categories

  • 02  Machinery for the processing of rods, wires and strips
  • 02.11  Machinery for the manufacture of fasteners (bulk metal forming)
  • 02.11.01  One-stage presses
  • 02  Machinery for the processing of rods, wires and strips
  • 02.11  Machinery for the manufacture of fasteners (bulk metal forming)
  • 02.11.02  Multi-stage presses
  • 02  Machinery for the processing of rods, wires and strips
  • 02.11  Machinery for the manufacture of fasteners (bulk metal forming)
  • 02.11.05  Thread rolling machines
  • 02  Machinery for the processing of rods, wires and strips
  • 02.11  Machinery for the manufacture of fasteners (bulk metal forming)
  • 02.11.06  Profile rolling machines

Profile rolling machines

  • 02  Machinery for the processing of rods, wires and strips
  • 02.11  Machinery for the manufacture of fasteners (bulk metal forming)
  • 02.11.07  Thread cutting machines

Thread cutting machines

  • 02  Machinery for the processing of rods, wires and strips
  • 02.11  Machinery for the manufacture of fasteners (bulk metal forming)
  • 02.11.08  Forging presses

Our products

Product category: One-stage presses

Combined Double Blow Header

ALL-IN-ONE to run fasteners from M3 to M8 with max. shaft length 60 mm.

The KSP12-R combines typical SACMA solutions, proven by thousands of machines, with the most advanced mechatronic technology available in the market. The one-piece main frame, cast perlitic iron, normalized, natural aged for at least 12 months, high precision machined, is a guarantee of rigidity and stability for all the machine life. Major set up adjustments are now motorized for a quick and friendly changeover: S-feed wire feeder driven by torque motor, motorized wire stock gauge and DKO, threading starter driven by torque motor with self-learning function borrowed from Ingramatic rollers. The quality management is facilitated by two gates interfaced with the load monitoring system and discharging NC parts respectively after the header and after the roller. An optional sophisticated load control system is protecting the machine against overloads and is monitoring the forming and rolling processes. Scraps separators in different sizes are available when producing self-tapping screws.

All those features make the KSP12-R the best value for Customer’s investment, especially when running parts traditionally by a line of connected machines. The high productivity ALL-IN-ONE allows to quick return and the legendary long life guarantees future profits.

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Product category: Multi-stage presses, Forging presses

Progressive Headers

Sacma Progressive Headers are available in several models up to 33mm diameter cutoff capacity and feature the most advanced controls and systems for forming net and near net shapes with consistent and repeatable tolerances up to 350ppm.  Some of the unique features include: One piece cast bed frames and heading slides with forged crankshafts for maximum rigidity and stability for the tooling and machine components gives precise part forming and reduced maintenance cost.

The Sacma Desmodrive transfer design is the most reliable, accurate and lowest maintenance cost transfer available.  The transfer provides the most flexibility of any design, allowing our customers the ability to form a wide range of part shapes and the ability to actually form nut and bolt shapes on the same machine.  The pressure of the fingers is driven by pneumatic cylinders allowing the customers to run very short parts and extra-long parts with the transfer unit.

The computerized S-Feed Electronic wire feeder provides the operator the most accurate and precise cutoff volume control of any former available. The patented “S-Feed” system is driven by servomotors with a self learning adjustment making the cut-off operation adjustment very easy for the operators.

A full range of options are available including our Electronic Handwheel jog control that provides precise slow motion control of the machine movement for obtaining extremely accurate setups for closer part tolerances and reduced setup times.  The machine position can be instantly adjusted either forward or backward, reducing the setup time.

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Product category: Multi-stage presses, Forging presses

Combined Headers

The Combined Headers models are available to run fasteners from M4 to M24. The combined header provide the best solution for high productivity requirements, consolidation of production methods, floor space usage and work flow in a fastener manufacturing environment by having the forming, pointing and thread rolling all in one machine. Sacma Combined Headers provides maximum efficiency and part quality in the manufacturing process of standard fasteners and special automotive fasteners by producing the finished product directly from wire.

Featuring all the mechanical and performance qualities of the Progressive Headers, SACMA Combined Headers offers the ability to make the quick changeovers and the versatility to make net shape parts in addition to bolts and screws. This demonstrates Sacma’s innovative real modular system making the well-earned reputation of versatility, quality, precision, reliability and longevity the best value for your investment. The large number of combined headers installed yearly worldwide is the best demonstration of these very successful high-performance machines.

As per the Progressive Headers, a full range of options are available to extend the capacity of the machine with the quick changeover. The Combined Header can also run headless parts and can be equipped with a heating unit to run stainless parts or special materials.

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Product category: Multi-stage presses, Forging presses

Warm formers.

Sacma offers the only production proven, fully integrated Warm Former available for the high efficiency production of high tensile strength materials like those used in aerospace and high temperature applications. Combining the state of the art controls and automatic support systems with the advanced induction heating units heats the wire to the center to give very precise control of the material deformation for forming consistent near net part shapes with repeatable tolerances. 

The Warm Formers are equipped with a set of standard features permitting to manage the production automatically by PLC and interface Touch Screen panel control with dual Induction coil up to 150kW; spot heating coil when it is necessary to heat only the wire portion to be caulked; coolant liquid system for the cut-off station, die block, and frame; thermoregulation system for automatic heating or cooling the machine for optimal operation temperature from startup and throughout the production run; integrated fire extinguishing system, with flame detection sensors and CO2 spray nozzles; automatic motorized adjustments of the positioning of the stock gage tip and of the threaded sleeve, allowing corrections of the cut-off blank length and of the position of the die ejector pins, during production without stopping the machine; touch Screen Controls for the settings control & full monitoring of the heating, thermoregulation and machine systems; S-Feed wire feeder for precision length control & automatic retraction of the wire from the induction coils when the machine stops.

The Warm Formers are the result of a concentration of best technologies applied to headers to create the most precise and reliable machine available for the Aerospace and Automotive Fastener Industries.

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Product category: Forging presses

Large Part Formers

For the large components production, the Large parts Formers are available designed to produce hollow and solid special parts for the most different industries. These machines is unique for its performance and equipment. Up to 650 tons are available to form large components normally manufactured by vertical presses or other traditional technologies with a longer production process. The header can be equipped with a system to feed the heading station with blanks or to re-feed pre-formed parts in the required station in making the machine a true Forming center. The machines are entirely equipped with automatic adjustments and quick tool change system driven by robotized manipulator.

This SACMA series 6, not only represents the “excellence“ of the Sacma technology, but is also considered the world benchmark for large size cold formers. These large 6die cold formers are available in the shorter “AS” version (DKO 160 mm) and the longer “AL” version (DKO 240 mm), proposing very interesting innovative concepts with respect to ergonomics, safety and flexibility for production of very short and long components . As per all the Sacma Group machines, the size 6 is Industry 4.0 ready.

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Product category: Thread rolling machines

Micro Threaders

The smallest threader inspired by the I-Thread concept, the Micro threaders, #00/#000 die sizes is available for the high-speed production of very precise miniature screws. The machine is equipped with the latest technologies available as an innovative tool holder, an introduction system driven by a torque motor for a ultra-precise introduction of the miniature blanks into the dies. The most innovative feature is the slide body running on linear guides (with ball circulation skates) in order to ensure a very high accuracy for the rolling operation allowing the production of the parts with an extreme precision and reliability. The drive transmission of the RP020 is made by an innovative double helical drive belt connecting the Brushless main motor with an absolute master encoder. This new type of drive with double helical belt favors higher torque and precision.

The machine is equipped with the same advanced functions of the Ingramatic  I-Thread machines, like for example, the self-learning adjustments of the starter unit. The introducer stroke can be adjusted by the operator panel or by means of the electronic handwheel, so technicians don’t need to make any manual adjustment with service wrenches, ensuring speed and accuracy of measure change. To guaranty durability and precision, the frame is made of spheroidal cast iron and the SC-Matic interface ensure the management of the motorized adjustments.

The Micro Threader is equipped with an innovative sound proof enclosure making the machine nice and modern for the new generation factory Industry 4.0.

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Product category: Thread rolling machines

Single Starter Unit Threaders

The new thread rolling machine equipped with a single starter unit are available from #1015 to #20 size to run fasteners for any kind of industry. The threaders can thread roll self-tapping screw, automotive parts, heat-treated parts and special profiles. The most important features of the machines are the starter unit driven by a Direct Drive motor and the bed frame which is made of pearlitic spheroidal cast iron including the contrast block making the machine the precise thread roller. The new drive unit is powered by a high-precision planetary gearbox with clutch brake which is unique for this machine size. This new type of drive with epicyclical reduction gear provides a cascade reduction ratio of the gear and favors higher torque and precision to run hardened parts. The feeding rails and the vibratory feeder have the motorization of the height positioning to facilitate the adjustment according the length of the parts. The machine comes with a vibratory feeder as standard feeding system included in the sound proof enclosure.

The most innovative feature is the brand new starter unit. The control of the introduction system is obtained by a torque motor. The introducer stroke can be adjusted by the operator panel or by means of the electronic handwheel avoiding any manual adjustment with service wrenches, ensuring speed and accuracy of measure change. The quality is manage by mean of a rejection gate to reject parts when the load monitor detect deviations allowing the production of perfect parts.

The modular system permits to install the machine with washer assembly units R1 or R2 and to integrate a station to feed head less parts automatically with a control of the orientation of the blank by video camera and a station to flip the parts in case of wrong orientation before the introduction into the starter unit.

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Product category: Thread rolling machines

Double Starter Unit Threaders

The new Double Starter Threaders are furnished with the patented double starter unit driven by servomotors and the revolutionary self-learning adjustments of the starter fingers.  The machine is extremely rigid and robust thanks to its brand new exclusive designs and reinforced bed frame. Starting from the #30 to #70, Ingramatic installs a system of hydrostatic slide liners optimized for a high load capacity providing significant damping of the rolling load from automotive bolts threaded after heat treatment, special profiles rolling, and parts rolled from exotic materials. Pressurized lubrication is fed to special bronze liners through a distributor to allow the hydrostatic pockets to create an oil film, equally distributing the rolling load and the absorption of the high forces generated during the rolling of the part between the dies.  There are two solutions to feed blanks into the feeding rails with a V-Group consisting in a vibratory feeder unit connected to the threader for blanks up to 140mm under head or a vertical elevator with a vibrating hopper for longer parts up to 440mm to load smoothly and quickly the threader.

The Thread rollers issued with Double Starter Units are equipped with the “M-Group” which it provides the motorization of the drive unit and slide body position for quick and accurate control of the die match. All the adjustments are stored for each parts and can be recall to proceed with the automatic set up of the machine.

The machines can feature a washer assembly unit with quick change over and up sized for the assembly of very large washers. As per all the Ingramatic threaders, the machine is equipped with a rejection gate to reject parts when the load monitor detect deviations.

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Product category: Thread rolling machines

Maxi Threaders

The large profile rolling and threading machine model RP920 (W70/TR9) for the production of large and heavy fasteners. The RP920 has a unique bed frame design integrating the reaction block and the patented double starter unit. The machine is equipped with a new cabin design and all the I-Thread features that make the machine the most innovative and precise large thread roller in the world consisting of: exclusive design and reinforced bed frame, self-learning & fully motorized adjustments, double starter unit driven by servomotors, new SC-Matic panel, drive unit with planetary gear box, motorized die match adjustment, slide body with hydrostatic guide system and quick diameter changeover system.

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Product category: Thread rolling machines

Warm Forming Threaders

To compliment the Sacma warm former line, Ingramatic features the Warm Forming Threaders. Combining the heavy duty design and features of the revolutionary I-Thread, the WF provides a significant increase in thread quality, productivity and efficiency by rolling all shapes of bolts, screws, and parts made of materials difficult to roll, such as Waspaloy®, Titanium alloy, A286 and Inconel®. The machine features include dedicated feeding rails for the installation of an induction coil with an exclusive design, a generator, a chiller, a high frequency inverter box, an optical pyrometer, and a cooled stationary die holder. A set of selectors manages the parts through the induction coil to ensure the parts are consistently rolled at the correct temperature. The repeatability of the heating is assured by using a longer induction coil compare what it is existing on the market with the home-made solution or a rollers adapted with a heating unit. As per Sacma headers, the induction coil design allows the system to warm wide range of materials with only one induction coil. Consequently, this Warm Forming roller provides quick changeover making it ideal for the small lot sizes in the Aerospace fastener market. The machine is equipped with a rejection gate to reject parts when the load monitor detect deviations or the optical pyrometer read a blank not at the right temperature. This device allows to ensure an absolute production quality.

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About us

Company portrait

Commitment to Quality, Modularity, Excellence, Reliability, Customer Centricity, Continuous Improvement, Innovation, Team Working and Employees Engagement are the core values that have been defining Sacma since 1939, world leader manufacturer of multi-station cold forming machines for high-precision metal components and fasteners.

 At our Headquarters in Limbiate, north of Milan, our 60.000m2 plant is the beating heart of Sacma Group. Here, through a insourced, fully vertically integrated and modular production system we are able to machine mechanical parts with the highest standards for precision and raw material quality that is second to none. Each workpiece is then assembled in-house and becomes part of either a Sacma multi-station cold forming machine or a Ingramatic flat-die thread roller, which then share the same destiny: accompany our customers for the next half-century in their workshop, rewarding them with the highest output possible 3 shifts per day.

In the last 15 years we have been dedicating our efforts in extending our product portfolio through strategic acquisitions and product innovation.  The result is what Sacma Group is today: an industrial ecosystem for the fastener and cold forming industry, that is able to offer cutting-edge technologies from process design through 3D simulation, multi-station cold forming equipment (SACMA), flat-die thread rollers (INGRAMATIC) all the way to dedicated CNC machines for secondary operations after forming and threading (HS-ASPE). Anything that goes in between these steps requires stable, high-efficiency loading and moving systems: for this Sacma Group supplies reliable solutions through its controlled company TECNO LIFT.

1 Group, 5 interconnected Production Sites within 100Km range, 300 Employees worldwide, 5 Foreign Branches with local after sales staff (USA, China, Taiwan, Germany, Brazil), 24 Agencies, 81 years of history, 24/7 onsite and remote service: Excellence for our customers.

Company data

Sales volume 50-99 Mio US $
Export content > 75%
Number of employees 100-499
Foundation 1939
Area of business
  • Automotive supply industry
  • Iron, steel and non-ferrous metal industry
  • Electrical industry
  • Construction industry