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PIN INTERCONNECTION - FROM PCB TO COILS
Pin insertion technology is a method of electronic assembly interconnection applicable to PCBs, coil frames, plastic connectors, etc. In contrast to complete connectors this solution is cost-efficient and customizable. Various pin press shapes and dimensions allow to adapt precisely to the product. EN 60352-5 qualification and automotive norms compliance assures high quality of a connection. Find out more about pin interconnection advantages and application below.


PIN INSERTION

  • In bulk
    In bulk
  • End to end
    End to end
    Coil diameter - 800 mm, capacity - 200,000 pins
  • Bandolier
    Bandolier
  • APPLICATION FIELDS
  • COMPONENTS TYPES
  • ALTERNATIVE ENERGY
    ALTERNATIVE ENERGY
    ALTERNATIVE ENERGY
  • AUTOMOTIVE
    AUTOMOTIVE
    AUTOMOTIVE
  • ELECTRONICS
    ELECTRONICS
    ELECTRONICS
  • PRINTING INDUSTRY
    PRINTING INDUSTRY
    PRINTING INDUSTRY
  • TELECOMMUNICATIONS
    TELECOMMUNICATIONS
    TELECOMMUNICATIONS
  • TEXTILE INDUSTRY
    TEXTILE INDUSTRY
    TEXTILE INDUSTRY
  • PIN & COIL FRAME
    PIN & COIL FRAME
    PIN & COIL FRAME
  • PIN & METAL
    PIN & METAL
    PIN & METAL
  • PIN & PCB
    PIN & PCB
    PIN & PCB
  • PIN & PLASTIC COMPONENT
    PIN & PLASTIC COMPONENT
    PIN & PLASTIC COMPONENT
  • PIN & PLASTICS COMPONENT & PCB
    PIN & PLASTICS COMPONENT & PCB
    PIN & PLASTICS COMPONENT & PCB
  • CUSTOMIZED CONNECTORS
    CUSTOMIZED CONNECTORS
    CUSTOMIZED CONNECTORS
WHY DO YOU NEED IT?
PIN ADVANTAGES
  • Low insertion force
    Low insertion force

    Low insertion force simplifies the assembly and makes it cheaper.

  • Qualification
    Qualification

    Pressfit pins 0.50×0.40 mm, 0.60×1.00 mm, 0.60×0.60 mm are qualified in accordance to EN 60352-5. It proved to have required contact resistance (< 0.5 m?), acceptable deformations and resistance to rapid temperature changes and climate sequences.

  • Compatibility with holes of different diameters
    Compatibility with holes of different diameters

    Various pin press shapes allow large tolerances of hole diameter, which makes possible to select insertion and retention forces according to Customer’s demand.

  • Reparability
    Reparability

    Unlike solder joints pins can be designed to be removable to repair connection, if needed.

  • Cost-efficient
    Cost-efficient

    Instead of buying expensive connector, it is necessary to buy only pins that will fit Customer’s component.

  • Automotive norms
    Automotive norms

    Pin tip dimensions matches norms of such automotive manufacturers as BMW, GM, Daimler-Benz, PSA, VW, etc. Norms consider precut angle, rounding diameter, width and height of a pin tip.

  • Adaptability
    Adaptability

    Pin connection is adjustable in height and position, it can be inserted in necessary quantity into various components: PCB, plastic or metal connectors, coil frame, etc.

  • Easy to go
    Easy to go

    Thanks to automation it’s possible to insert up to 15000 pins per hour without any experience in pin interconnections.

  • Deformation and vibrations resistance
    Deformation and vibrations resistance

    Pin insertion doesn’t require additional soldering which means no thermal stress and no damage for components. As a result connection stays reliable under vibrations.

HOW DO WE DO IT?
PIN INTERCONNECTION RESEARCH
1. PIN PARAMETERS DEFINITION
2. TOOLING DEFINITION
3. PIN INSERTION SIMULATION
4. LABORATORY TESTS
5. EQUIPMENT MANUFACTURING
PIN PARAMETERS DEFINITION
1. PIN PARAMETERS DEFINITION
We define pin features depending on type of application, connector/component materials, working environment and temperature range.
What you get?
Pin material (bronze, brass, CuFe2p, CuMg0.1, CuNi3SiMg, CuNiSi, Staku30), coating material (Ni-based 1.3-3 μ: Ag, Au, Sn), shape (square, round, rectangular), type (smooth, star, winged, harpoon, pressfit, double), length (2-70 mm).
TOOLING DEFINITION
2. TOOLING DEFINITION
Tooling is defined based on corresponding request by SM Contact engineers with a help of database of former realized connections.
What you get?
Equipment type, special tool necessity definition.
PIN INSERTION SIMULATION
3. PIN INSERTION SIMULATION
With a help of FEA software we build components computer model of defined type and materials and simulate strains and stresses during pin insertion.
What you get?
Optimal insertion parameters and its improvement options are specified to match industry norms and Customer’s demand.
LABORATORY TESTS
4. LABORATORY TESTS
We make samples and perform laboratory study: press-in and pull-out force, contact resistance test.
What you get?
Report with precise connection parameters matching norms and Customer’s requirements.
EQUIPMENT MANUFACTURING
5. EQUIPMENT MANUFACTURING
Engineering department adapts automation level, speed, special options and quality control devices.
What you get?
Pin insertion equipment customized for Customer’s application, as well as for quality, automation, cost and production volume requirements.
PIN TYPES
  • SMOOTH
    SMOOTH
  • STAR
    STAR
  • WINGS / HARPOON
    WINGS / HARPOON
  • PRESSFIT
    PRESSFIT
  • COMBINATIONS
    COMBINATIONS

This simple-shaped type of pin has chamfers on both ends so that it can be used for connection purposes.

Application

Coil frame, printed circuits without metalized holes, over-molding, plastic components with drilled holes, metal components whose holes diameter has small tolerances.

Dimensions
Wire shape Square Round
A1 0.3 0.4 0.46 0.5 0.71 0.91 1 1.14 0.5 0.63 1
B1 0.2 0.25 0.25 0.25 0.35 0.45 0.55 0.6 0.3 0.3 0.4

The Star pin is ideal for printed circuits with metalized holes to compensate holes diameter tolerances after drilling. It offers an excellent mechanical resistance and its shape is often used in “paste-in-pin and reflow” or “pin-in-paste and reflow” processes.

Its star shape, unlike the smooth pin, can be also used advantageously for round holes in plastic elements. When inserted, the smooth tip of a pin enters freely without any damage, while the star part provides its secure retention inside of a component thanks to its 4 peaks.

Application

Single- or double-sided printed circuits, coil frame, plastic connectors.

Dimensions
Wire shape Square
A1 0.3 0.3 0.4 0.4 0.46 0.46 0.5 0.5 0.63 0.63 0.71 0.71 0.91 0.91 1 1 1.14 1.14
A2
C 0.5 0.55* 0.63 0.7* 0.73 0.8* 0.78 0.84* 0.97 1.07* 1.17 1.24* 1.5 1.55* 1.73 1.8* 1.93 2*
D 1.1 1.1 1.1 1.1 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5 1.5
B1 0.2 0.2 0.25 0.25 0.25 0.25 0.25 0.25 0.3 0.3 0.35 0.35 0.55 0.55 0.55 0.55 0.6 0.6
B2
Wire shape Rect. Round
A1 0.63 0.5 0.5 1 1 1.5 1.5 1.5
A2 1 - - - - - - -
C 1.27 0.66 0.7* 1.32 1.4* 1.78 1.78 1.78
D 1.5 0.8 0.8 1.5 1.5 1.5 1.5 1.5
B1 0.3 0.3 0.3 0.4 0.4 0.7 0.8 0.9
B2 0.5 - - - - - - -
* Reinforced star

Winged and harpoon pins suit square holes in plastic elements, guaranteeing excellent mechanical resistance of the pins in their seats thanks to its 2 peaks. At the same time the smooth tip of a pin enters freely without any damage.

These pins meet the requirements of automotive manufacturers for connector applications.

Application

Plastic connector.

Dimensions
Wire shape Square – wings Square – harpoon
A1 0.63 0.63 0.63
C 0.93 0.84 0.85
D 1 1 0.65
B1 0.3 0.3 0.3

Pressfit flexible geometry matches components with various hole diameter tolerances. It can deal with deviations of + 0.10 to – 0 mm, in compliance with the IEC 352.5 standard.

Size difference between hole and pressfit zone leads to pressfit deformation during insertion. Subsequent сompression of a pin guarantees reliable connection, which doesn’t need to be soldered.

Application

Double-sided printed circuits. Particularly for automotive industry.

Dimensions
Wire shape Rectangular Square
A1 0.4 0.6 0.63 0.63 0.63 0.63 0.63 0.63 0.63 0.63
A2 0.5 1 0.8 - - - - - - -
C 0.7 1.34 1.15 1.12 1.12 1.12 1.12 1.12 1.12 1.1
D 1.8 3 3 1.8 1.8 2.66 2.66 3 3 3
B1 0.2 0.27 0.24 0.25 0.3 0.25 0.3 0.25 0.3 0.3
B2 0.25 0.5 0.45 - - - - - - -
** D=1.8 – pressfit short D=2.66 – pressfit medium D=3 – pressfit long

One pin can have several press shapes for direct interconnection of two elements. Pin length, shape and type is defined individually for each connection.

Application

Stacking of PCBs, stacking of PCBs with a plastic part.

EQUIPMENT
Check out splice equipment options! Each machine can be customized to particular components, environment, automation level, and production volumes.
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