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  1. Home
  2. Keyless Locking Devices
Product Selection Navigator

Keyless Locking Devices

三木プーリの摩擦式締結具 製品シリーズ一覧(軸結合・締結部品・伝動機器)

Traditionally, shafts and hubs have been connected using keys and keyways. However, this method presents numerous challenges, including the need for high dimensional accuracy and precise alignment during assembly. ETP Bushings & Posilocks solve these problems by providing a friction-based connection. A simple tightening of the bolts ensures a precise and secure connection.

Hydraulic type (ETP bushing)

三木プーリのETP-Tタイプ ハイドロ方式摩擦式締結具製品画像(油圧締結・軸結合・キーなし締結具・伝動部品)

Hydraulic type (ETP bushing)

The shaft and hub are connected by friction when pressure is applied to the pressure medium sealed inside the unit. It requires at least one bolt.

Hydraulic type (ETP bushing)

ETP-T Model
ETP-T Model: Lightweight Rust-Resistant Type
ETP-E Model
ETP-E Model: Lightweight Rust-Resistant Type
ETP-E Model, Stainless Steel Type
ETP-A Model
ETP-A Model, Hex Bolt Type
ETP-A Model (Short Type)
ETP-A Model: Lightweight Rust-Resistant Type
ETP-A Model, Stainless Steel Type
ETP-H Model
List Page
三木プーリのPSL-Gタイプ メカ方式摩擦式締結具製品画像(機械式締結・軸結合・キーなし締結具)

Mechanical (Posilock Friction Pack)

The inner ring and outer ring are friction-fit to the shaft and hub via the wedge effect created by tightening the bolts. 

Mechanical (Posilock Friction Pack)

PSL-G Model
PSL-G Model: Lightweight Rust-Resistant Type
PSL-D Model
PSL-D Model: Lightweight Rust-Resistant Type
PSL-K Model
PSL-K Model, Hex Bolt Type
PSL-K Model: Lightweight Rust-Resistant Type
PSL-K Model, Stainless Steel Type
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