PSL-G (C) Electroless Nickel Plating Type

This mechanical shaft lock utilizes a tapered design; by tightening multiple clamping bolts, the tapered surfaces create a wedging effect that fully secures the shaft and hub together. Since the shaft and hub are joined by friction, this design overcomes the drawbacks of keyed connections. This model offers high compatibility with products from other manufacturers and is capable of withstanding heavy loads. The surface is treated with electroless nickel plating.

[Specifications]

Model	Rated Torque	Rated Thrust Load	Axial load	Hub lateral load	Tightening torque	Moment of inertia	Mass [kg]
Model	[N·m]	[N]	[N/mm²]	[N/mm²]	[N·m]	[kg·m²]
PSL-G-19-C	289.0	30,500	250	101	17	0.70 × 10^⁽⁻⁴⁾	0.220
PSL-G-20-C	305.0	30500	238	101	17	0.70 × 10^⁽⁻⁴⁾	0.210
PSL-G-22-C	335.0	30,500	216	101	17	0.69 × 10^⁽⁻⁴⁾	0.200
PSL-G-24-C	411	34300	223	107	17	0.89 × 10^⁽⁻⁴⁾	0.230
PSL-G-25-C	428	34,300	214	107	17	0.88 × 10^⁽⁻⁴⁾	0.220
PSL-G-28-C	533	38100	212	108	17	1.28 × 10^⁽⁻⁴⁾	0.260
PSL-G-30-C	571	38100	198	108	17	1.25 × 10^⁽⁻⁴⁾	0.250
PSL-G-32-C	731	45,700	223	119	17	1.80 × 10^⁽⁻⁴⁾	0.300
PSL-G-35-C	800	45,700	204	119	17	1.74 × 10^⁽⁻⁴⁾	0.280
PSL-G-38-C	1020	53500	220	129	17	2.43 × 10^⁽⁻⁴⁾	0.340
PSL-G-40-C	1070	53,500	209	129	17	2.37 × 10^⁽⁻⁴⁾	0.320
PSL-G-42-C	1680	80200	253	142	41	5.26 × 10^⁽⁻⁴⁾	0.560
PSL-G-45-C	1800	80200	236	142	41	5.11 × 10^⁽⁻⁴⁾	0.530
PSL-G-48-C	1920	80200	222	133	41	6.51 × 10^⁽⁻⁴⁾	0.590
PSL-G-50-C	2010	80200	213	133	41	6.36 × 10^⁽⁻⁴⁾	0.560
PSL-G-55-C	2570	93,600	226	146	41	8.01 × 10⁻⁴	0.620
PSL-G-60-C	2810	93,600	207	138	41	9.68 × 10^⁽⁻⁴⁾	0.650

The allowable torque is the value when the thrust force is zero, and the allowable thrust force is the value when the torque is zero.

[Dimensions]

三木プーリのPSLモデルGタイプ（無電解ニッケルめっき仕様）摩擦式締結具（メカ方式）寸法図外形寸法および軸径寸法を示す寸法図

Unit [mm]

Model	d	D	L	ℓ	L1	M1	M2
PSL-G-19-C	19	47	20	17	26	8-M6×18	2-M8
PSL-G-20-C	20	47	20	17	26	8-M6×18	2-M8
PSL-G-22-C	22	47	20	17	26	8-M6×18	2-M8
PSL-G-24-C	24	50	20	17	26	8-M6×18	2-M8
PSL-G-25-C	25	50	20	17	26	8-M6×18	2-M8
PSL-G-28-C	28	55	20	17	26	10-M6×18	2-M8
PSL-G-30-C	30	55	20	17	26	10-M6×18	2-M8
PSL-G-32-C	32	60	20	17	26	12-M6×18	2-M8
PSL-G-35-C	35	60	20	17	26	12-M6×18	2-M8
PSL-G-38-C	38	65	20	17	26	14-M6×18	2-M8
PSL-G-40-C	40	65	20	17	26	14-M6×18	2-M8
PSL-G-42-C	42	75	24	20	32	12-M8×22	2-M10
PSL-G-45-C	45	75	24	20	32	12-M8×22	2-M10
PSL-G-48-C	48	80	24	20	32	12-M8×22	2-M10
PSL-G-50-C	50	80	24	20	32	12-M8×22	2-M10
PSL-G-55-C	55	85	24	20	32	14-M8×22	2-M10
PSL-G-60-C	60	90	24	20	32	14-M8×22	2-M10

L and L1 are the dimensions prior to installing the <POSI LOCK>.
The designation for each bolt and tap is calculated as: quantity × thread size × nominal length.

三木プーリのPSLモデル Gタイプ（無電解ニッケルめっき仕様）摩擦式締結具（メカ方式）ご注文時の型式構成説明図