---
title: "Placement Head"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:PLACEMENT_HEAD"
  data_integrity_hash: "3d588ff42c64ec9f4e2be51b1db025b3"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:PLACEMENT_HEAD"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/placement-head.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/placement-head"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-2.5 N (pick force), 0.01-0.05 mm (placement accuracy), 0.1-1.0 ms (pick-to-place cycle time)"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 40
    unit: "kPa"
    consequence: "Vacuum seal degradation (leakage &gt; 0.5 L/min at 60 kPa), piezoelectric actuator hysteresis (&gt;3% displacement error at 100 Hz), bearing wear (clearance &gt; 15 μm)"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Electrostatic discharge (&gt;500 V) on nozzle tip"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Ionizing air curtain with 1.2 kV discharge voltage, conductive nozzle coating (surface resistivity &lt; 10^6 Ω/sq)"
  - node_2:
      trigger: "Servo motor encoder contamination (particle size &gt; 5 μm)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "IP67-rated encoder housing, positive pressure purge system (0.2 bar differential)"
bom_nodes:
  nozzle-holderturret:
    type: "part"
    urn: "URN:CNFX:ME:NOZZLE_HOLDERTURRET"
    interface_type: "physical-logic-coupled"
  vacuum-nozzle:
    type: "part"
    urn: "URN:CNFX:ME:VACUUM_NOZZLE"
    interface_type: "physical-logic-coupled"
  z-axis-actuator:
    type: "part"
    urn: "URN:CNFX:ME:Z_AXIS_ACTUATOR"
    interface_type: "physical-logic-coupled"
  theta-axis-actuator:
    type: "part"
    urn: "URN:CNFX:ME:THETA_AXIS_ACTUATOR"
    interface_type: "physical-logic-coupled"
  vacuum-sensor:
    type: "part"
    urn: "URN:CNFX:ME:VACUUM_SENSOR"
    interface_type: "physical-logic-coupled"
  vision-camera-mount:
    type: "part"
    urn: "URN:CNFX:ME:VISION_CAMERA_MOUNT"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 (QUALITY MANAGEMENT SYSTEMS)"
    scope: "Verified Engineering Specification"
  - standard: "CE MARKING (EU MACHINERY DIRECTIVE 2006/42/EC)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/placement-head.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "50083b33279657a3aff3b554ac39a739b7d39b2cb34fc79c291ad73e149f21b2"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Placement Head

## 1. Technical Definition
The precision mechanism in SMT pick-and-place machines responsible for picking up electronic components and accurately placing them onto printed circuit boards (PCBs).

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-2.5 N (pick force), 0.01-0.05 mm (placement accuracy), 0.1-1.0 ms (pick-to-place cycle time)**. Failure boundary: **Vacuum pressure &lt; 40 kPa (component pickup failure), placement force &gt; 5.0 N (component damage), positional deviation &gt; 0.1 mm (misalignment)**, Mechanism: **Vacuum seal degradation (leakage &gt; 0.5 L/min at 60 kPa), piezoelectric actuator hysteresis (&gt;3% displacement error at 100 Hz), bearing wear (clearance &gt; 15 μm)**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Electrostatic discharge (&gt;500 V) on nozzle tip | 8 | Component adhesion failure (pickup rate &lt; 95%) | Ionizing air curtain with 1.2 kV discharge voltage, conductive nozzle coating (surface resistivity &lt; 10^6 Ω/sq) |
| Servo motor encoder contamination (particle size &gt; 5 μm) | 8 | Positional drift (cumulative error &gt; 50 μm over 1000 cycles) | IP67-rated encoder housing, positive pressure purge system (0.2 bar differential) |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Nozzle Holder/Turret](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/nozzle-holderturret.md) `(Standalone System)`
- [Vacuum Nozzle](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/vacuum-nozzle.md) `(Standalone System)`
- [Z-axis Actuator](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/z-axis-actuator.md) `(Standalone System)`
- [Theta-axis Actuator](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/theta-axis-actuator.md) `(Standalone System)`
- [Vacuum Sensor](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/vacuum-sensor.md) `(Standalone System)`
- [Vision Camera Mount](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/vision-camera-mount.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Solder Paste Printer**, **Reflow Oven**, **Automated Optical Inspection (AOI) System**  
**Downstream Applications**: Smartphones, Laptop Motherboards, Automotive Control Units  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What materials are used in the placement head construction?
**A**: The placement head is constructed from durable materials including aluminum alloy for lightweight strength, stainless steel for corrosion resistance, ceramic for thermal stability, and engineering plastics for precision components.

### Q: How does the placement head ensure accurate component placement?
**A**: Accuracy is achieved through a combination of the theta-axis actuator for rotational positioning, Z-axis actuator for vertical movement, vacuum nozzle for secure component pickup, and vision camera mount for optical alignment verification.

### Q: What maintenance is required for the placement head?
**A**: Regular maintenance includes cleaning vacuum nozzles to prevent clogging, inspecting nozzle holders for wear, calibrating theta and Z-axis actuators, and checking vacuum sensors for optimal performance in SMT manufacturing environments.

## 6. Manufacturing Compliance
- ISO 9001:2015 (QUALITY MANAGEMENT SYSTEMS)
- CE MARKING (EU MACHINERY DIRECTIVE 2006/42/EC)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Placement Head](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/placement-head)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **6** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: PLACEMENT_HEAD | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 63f1a49e
