Condições de filtragem
- Thread Nominal D(φ)
- 20
- Nut O.D. D(φ)
- 32
- Nut Length L1 (or L)(mm)
- 40
- Number of Mounting Holes
- 4
- Type
- CAD
- 2D
- 3D
- Dias de envio estimados
- Tudo
- Dentro de 5 dias úteis
Resin Lead Screw Nuts / Heavy Load Type (MTSRR20)
Desenho de contorno e tabela de especificações
Dimensional Drawing
Round Flanged
MTSRR (Right-Hand Thread) Compact Flanged
MTSRN (Right-Hand Thread)
[ ! ] Higher allowable thrust than the conventional plastic typesMTSRR (Right-Hand Thread) Compact Flanged
MTSRN (Right-Hand Thread)
[ ! ] Operating Temperature: -45°C to 200°C
Material: Tribological PPS Resin (PTFE+GF30%)
Specification Table
| Part Number |
| MTSRR20 |
| Part Number | Pitch P | D | L1 | D1 | T | P.C.D. | K | Allowable Dynamic Thrust (N) | Mass (g) | ||
| Type | d | MTSRR | MTSRN | ||||||||
| Round Flanged MTSRR (Right-Hand Thread) Compact Flanged MTSRN (Right-Hand Thread) | 10 | 2 | 20 | 24 | 36 | 5 | 26 | 4.3 | 278 | 19 | 16 |
| 12 | 22 | 30 | 44 | 31 | 5.4 | 428 | 30 | 24 | |||
| 14 | 3 | 536 | 27 | 21 | |||||||
| 16 | 28 | 35 | 51 | 6 | 38 | 6.6 | 686 | 46 | 39 | ||
| 18 | 4 | 32 | 40 | 56 | 42 | 954 | 64 | 54 | |||
| 20 | 1071 | 61 | 51 | ||||||||
Lead Screw Accuracy
The Tr standard has the same
standard dimensions as the old JIS
TM standard (abolished).
Dimensional tolerances are regulated
for Tr standard.
| Item | Content |
| Standard Chevron | Tr Standard (Old TM Standard) |
| Tolerance and Allowable Dimension | JIS B 0217-1,2 |
| Screw Accuracy (Threaded) | 7e |
| Nut Accuracy (Tapped) | 7H |
| Single Pitch Error | ±0.02 |
| Accumulated Pitch Error | ±0.15/300mm |
standard dimensions as the old JIS
TM standard (abolished).
Dimensional tolerances are regulated
for Tr standard.
Standard Chevron Dimensions
| H=1.866P | H1=0.5P | d2=d-0.5P | |
| d1=d-P | D=d | D2=d2 | D1=d1 |
| Male Thread | d:O.D. | d1:Root Dia. | d2:Effective Dia. |
| Female Thread | D:Root Dia. | D1:I.D. | D2:Effective Dia. |
| P:Pitch | H1:Engage Height | ||
■Material Properties (Listed values are not guaranteed, but reference values.)
| Material | Test Method (ASTM) | Unit | PPS Resin with Sliding Property (PTFE+GF30%) | Polyacetal | |
| Characteristic | Value | ||||
| Specific Gravity | D792 | — | 1.68 | 1.41 | |
| Water Absorption Ratio (at 23°C in water x24h) | D570 | % | 0.02 | 0.22 | |
| Combustibility | UL94 | — | V−0 | HB | |
| Mechanical Properties | Tensile Strength | D638 | Mpa | 135 | 61 |
| Elongation | D638 | % | 2.9 | 40 | |
| Bending Strength | D790 | Mpa | 180 | 89 | |
| Flexural Modulus | D790 | GPa | 10 | 2.59 | |
| Shear Load Strength | D732 | Mpa | 60 | 55 | |
| Izot Impact Strength | D256 | J/m | 130 | 74 | |
| Chemical Resistance | Oil | — | ◎ | ○ | |
| Acid | — | ◎ | △〜 × | ||
| Alkali | — | ◎ | ○ | ||
| Organic Solvent | — | ◎ | ○ | ||
[ ! ] This product is a single thread screw and therefore the pitch P = lead.
Related Components
| 30-degree Lead Screw | 30-degree Trapezoidal Screw for Nut Bracket | 30-degree Trapezoidal Screw for Support Units Square Type | 30-degree Trapezoidal Screw for Support Units Round Type |
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