Specialists in the milling of mechanical parts

Leader in CNC precision mechanical processing

Thanks to its decades of experience, the level of precision, flexibility and punctuality in its production operations, SIME S.r.l. has become leading enterprise in the precision CNC machining sector, specialised in milling of bespoke mechanical parts designed and produced according to the customer’s technical specifications.

SIME S.R.L. was founded in 1962 and boasts a long tradition of mechanical craftsmanship in the milling of bespoke mechanical parts as an outsourced service; its many years of experience is successfully affiliated to its current technological and innovative presence.

60+

years of experience in the mechanical machining sector

Precision

We focus on precision and are always able to achieve and guarantee compliance with the millesimal tolerances.

Flexibility

We can provide a (pre-series) sample lot of parts and develop an ad hoc product with the customer.

Punctuality

We believe in attention to detail to guarantee the best results within the time deadlines agreed with our Customers.

Strong points

Milling and mechanical machining with best possible value for money

Over the years, SIME S.R.L. has developed an outstanding dynamic and flexible structure, which pays utmost attention to customer demands and is oriented towards the search for state-of-the-art tools and equipment in order to optimise the quality-price ratio. Guaranteeing quality is crucial to us, so all our production activities are monitored by methodical and timely dimensional checks.

  • Superior standard work centres
  • High-performance designated tools
  • Guaranteed process quality

  • Dimensional quality checked on the finished product

  • 100% manual burr elimination

  • 100% visual check with microscope

Machinery fleet

From your design to delivery

To deliver excellent quality products, we need excellent machinery both to produce them and to guarantee the repeatability of the series over time. All our machines are DMG Mori SH and NH-DCG series for sturdiness, precision and operating speed and since 2021 they are also Green Machines to respect the value of the environment.

We manufacture your products with work centres:

  • latest generation 4-axis horizontal interconnected
  • from 2 to 24 pallets
  • from 60 to 300 tools
  • max stroke travel: X-Axis 560 mm / Y-Axis 560 mm / Z-Axis 630 mm
  • continuous rotating turntable, 0.001 degrees
  • high pressure pump adjustable up to 60 bar
  • RENISHAW OMP60 optical probe

We check product conformity in the metrology lab with a 3-D Mitutoyo machine. We degrease the parts with a modified alcohol-base metal washer unit, with automatic drawer loading system, and continuous and interconnected distillation filtration. We always use state-of-the-art tools with hot-shrink fitted spindles to eliminate vibrations and achieve maximum performance and durability results. We design and build in-house the part gripping equipment dedicated to individual items to position multiple parts simultaneously, reducing lead times and optimising machining phases. We design multi-profile tools in-house and commission the top collaborators to produce them. We also manage post-processing treatments.

You will have the quality product you need, perfectly packed, in your warehouse, within the agreed delivery date and with the certifications you require.

Control machinery and instruments

Why Sime

CNC precision mechanical machining

SIME S.R.L. stands apart for its superior quality in terms of precision with the certification of the machines, the historically logged work cycle in respect of repeatability and the attention to detail at all times. The outstanding knowledge acquired over the years linked to constant technological innovations, allow us to deliver products of exceptionally high quality, with utmost care given throughout the entire process, from the choice of raw materials to the processing, treatments and finishing phases. Over time, these characteristics have consolidated our performance levels in various industrial sectors such as Aerospace, Automotive, Mechanical components, Snow making, Machinery-plants, Oil & Gas, Robotics-Automation, Scientific-Medical, Telecommunications.

Mechanical parts operating cycle management

Thanks to a production programming software we are able to manage the sales cycle of the product in 6 phases:

01.

Drafting of quotations

A customised order is drafted for the customer according to the applicable specifications

02.

Order entry

The customer order shall be entered with a unique traceability code

03.

Planning

Production is then planned with machine load development, CNC programs, and equipment

04.

Start of production

Production starts with a check for compliance with lead times

05.

External processing management

Any external processing is managed with certified suppliers

06.

Final inspections

Final inspections are carried out on the product prior to delivery

Confidentiality

For SIME S.r.l., confidentiality is a core value. In order to protect confidentiality and to guarantee respect of all trade secrets, we have signed numerous confidentiality agreements and adopted an organisational system based on discretion to guarantee maximum protection for our customers.

Eco-sustainability

Sime for the environment

For over twenty years, the health of our employees and the environment in which we live have been aspects we deeply cherish. We select our suppliers based on the complete sharing of these values to guarantee an excellent supply chain, from raw materials to recycling.

Starting in 1990, we decided to invest in cooling lubricants that are compatible with human and environmental requirements, hence already free from bactericides and boron, and made from mineral substances. Thanks to our continuous research and innovation activities, nowadays these products are even more sustainable and respectful of human health and the environment.

In 1992, when the complete refurbishment of the production plant started, we selected the machinery suppliers that matched product quality and process performance, with energy and earth savings. These are now called Green Machines because they are primarily focused on these issues along with resource efficiency, reduction of waste and emissions, manufacturing process optimisation, and sustainable innovation. Our latest Green Machine arrived in 2023.

We have always carefully considered the introduction of new production processes , focusing our attention to the environmental impact and the well-being of people. In 2024, when the washing plant was replaced, we selected it according to the factors below:

  • waste material recovery – 100% of the metal swarf – 99% of the emulsifying oils that are part of the production cycle
  • use of low environmental impact liquids thanks to the continuous distillation and filtration
  • use of modified alcohol to reduce washing times and generate considerable energy savings
  • use of state-of-the-art technology that dramatically reduces routine maintenance and therefore improves worker protection.

Today, our production waste is 80% recyclable, and the portion sent to the disposal collection point, is constantly monitored to embrace containment and a progressive decrease in the amount. Our employees are constantly aware of and invited to adhere to the waste sorting and disposal requirements, in accordance with local waste disposal regulations; they are also very much aware of the importance that is given to environmental value.

Sime and its social interests

People are the pillars within our company and our society, and we take all necessary measures to optimise health and safety and working conditions. We are committed to supporting them, motivating them and making them feel part of the reality we share. We promote and respect diversity along with equal opportunities. We pay utmost attention to all aspects of conformity and we are committed to a series of activities for the common good, such as donations and various campaigns.All of the above demonstrates a strong commitment to sustainability by trying to secure a better future for all concerned.